MAIN TABLES. Universal Decimal Classification

MAIN TABLES

More specific terms

NT1 0 ↓ SCIENCE AND KNOWLEDGE. ORGANIZATION. COMPUTER SCIENCE. INFORMATION. DOCUMENTATION. LIBRARIANSHIP. INSTITUTIONS. PUBLICATIONS ►▼
- NT2 00 ↓ Prolegomena. Fundamentals of knowledge and culture. Propaedeutics ►▼
  - NT3 001 ↓ Science and knowledge in general. Organization of intellectual work ►▼
    - NT4 001.1 ↓ Concepts of science and knowledge ►
    - NT4 001.32 ↓ Learned, scientific societies. Academies
    - NT4 001.8 ↓ Methodology ►
    - NT4 001.9 ↓ Dissemination of ideas
  - NT3 002 ↓ Documentation. Books. Writings. Authorship
  - NT3 003 ↓ Writing systems and scripts ►▼
    - NT4 003.01/.09 ↓ Special auxiliary subdivision for writing systems and scripts ►
    - NT4 003.2 ↓ Writing systems. Graphic representations of concepts ►
    - NT4 003.3 ↓ Scripts
    - NT4 003.5 ↓ Writing materials and equipment
    - NT4 003.6 ↓ Other kinds of graphic representation of thought
  - NT3 004 ↓ Computer science and technology. Computing. Data processing ►▼
    - NT4 004.01/.08 ↓ Special auxiliary subdivision for computing ►
    - NT4 004.2 ↓ Computer architecture ►
    - NT4 004.3 ↓ Computer hardware ►
    - NT4 004.4 ↓ Software ►
    - NT4 004.5 ↓ Human-computer interaction. Man-machine interface. User interface. User environment ►
    - NT4 004.6 ↓ Data ►
    - NT4 004.7 ↓ Computer communication. Computer networks ►
    - NT4 004.8 ↓ Artificial intelligence
    - NT4 004.9 ↓ Application-oriented computer-based techniques ►
  - NT3 005 ↓ Management ►▼
    - NT4 005.1 ↓ Management theory
    - NT4 005.2 ↓ Management agents. Mechanisms. Measures
    - NT4 005.3 ↓ Management activities ►
    - NT4 005.4 ↓ Processes in management
    - NT4 005.5 ↓ Management operations. Direction
    - NT4 005.6 ↓ Quality management. Total quality management (TQM)
    - NT4 005.7 ↓ Organizational management (OM)
    - NT4 005.9 ↓ Fields of management ►
  - NT3 006 ↓ Standardization of products, operations, weights, measures and time ►▼
    - NT4 006.3/.8 ↓ Standards
    - NT4 006.91 ↓ Metrology. Weights and measures in general
    - NT4 006.92 ↓ Horology. Determination and standardization of time
  - NT3 007 ↓ Activity and organizing. Communication and control theory generally (cybernetics). 'Human engineering' ►▼
    - NT4 007.5 ↓ Self-acting systems
  - NT3 008 ↓ Civilization. Culture. Progress
- NT2 01 ↓ Bibliography and bibliographies. Catalogues ►▼
  - NT3 011 ↓ Universal and general bibliographies
  - NT3 012 ↓ Author bibliographies. Individual bibliographies
  - NT3 013 ↓ Collective bibliographies
  - NT3 014 ↓ Bibliographies of works of particular characteristics
  - NT3 015 ↓ Bibliographies of place
  - NT3 016 ↓ Special subject bibliographies
  - NT3 017/019 ↓ Catalogues ►▼
    - NT4 017 ↓ Catalogues in general. Subject catalogues
    - NT4 018 ↓ Name catalogues
    - NT4 019 ↓ Dictionary catalogues
- NT2 02 ↓ Librarianship ►▼
  - NT3 021 ↓ Function, value, utility, creation, development of libraries
  - NT3 022 ↓ Library site, building, premises. Equipment
  - NT3 023 ↓ Library administration. Staff. Personnel
  - NT3 024 ↓ Relations with the public. Regulations for library use
  - NT3 025 ↓ Administrative departments of libraries
  - NT3 026 ↓ Special libraries
  - NT3 027 ↓ General libraries ►▼
    - NT4 027.6 ↓ Libraries for special classes of user
    - NT4 027.7 ↓ Libraries of institutions of higher education
    - NT4 027.8 ↓ Libraries of institutions of primary and secondary education
- NT2 030 ↓ General reference works (as subject)
- NT2 050 ↓ Serial publications, periodicals (as subject)
- NT2 06 ↓ Organizations of a general nature ►▼
  - NT3 06.01/.05 ↓ Special auxiliary subdivision for organizations and associations ►▼
    - NT4 06.01 ↓ Rights and obligations of members
    - NT4 06.05 ↓ Awards. Honours. Prizes. Distribution of prizes, awards
  - NT3 061 ↓ Organizations and other types of cooperation ►▼
    - NT4 061.1 ↓ Governmental organizations and cooperation
    - NT4 061.2 ↓ Nongovernmental organizations and cooperation ►
  - NT3 069 ↓ Museums. Permanent exhibitions
- NT2 070 ↓ Newspapers. The Press. Journalism
- NT2 08 ↓ Polygraphies. Collective works ►▼
  - NT3 082 ↓ Collective polygraphy
  - NT3 084 ↓ Pictorial material
  - NT3 086 ↓ Documents of particular form
  - NT3 087 ↓ Documents of particular origin or destination
- NT2 09 ↓ Manuscripts. Rare and remarkable works ►▼
  - NT3 091 ↓ Manuscripts
  - NT3 092 ↓ Xylographic books
  - NT3 093 ↓ Incunabula
  - NT3 094 ↓ Other precious, remarkable or rare printed works
  - NT3 095 ↓ Books remarkable for their binding
  - NT3 096 ↓ Books remarkable for their illustrations or for materials used
  - NT3 097 ↓ Marks of ownership or origin
NT1 1 ↓ PHILOSOPHY. PSYCHOLOGY ►▼
- NT2 101 ↓ Nature and role of philosophy
- NT2 11 ↓ Metaphysics ►▼
  - NT3 111 ↓ General metaphysics. Ontology
  - NT3 113/119 ↓ Cosmology. Philosophy of nature
- NT2 122/129 ↓ Special metaphysics
- NT2 13 ↓ Philosophy of mind and spirit. Metaphysics of spiritual life ►▼
  - NT3 130.1 ↓ General concepts and laws
  - NT3 130.2 ↓ Philosophy of culture. Cultural systems. Theory of cultural complexes
  - NT3 130.3 ↓ Metaphysics of spiritual life
  - NT3 133 ↓ The paranormal. The occult. Psi phenomena
- NT2 14 ↓ Philosophical systems and points of view ►▼
  - NT3 140 ↓ Possible philosophical attitudes. System typology
  - NT3 141 ↓ Kinds of viewpoint
- NT2 159.9 ↓ Psychology ►▼
  - NT3 159.91 ↓ Psychophysiology (physiological psychology). Mental physiology
  - NT3 159.92 ↓ Mental development and capacity. Comparative psychology
  - NT3 159.93 ↓ Sensation. Sensory perception
  - NT3 159.94 ↓ Executive functions ►▼
    - NT4 159.942 ↓ Emotions. Affections. Sensibility. Feelings
    - NT4 159.943 ↓ Conation and movement
    - NT4 159.944 ↓ Work and fatigue. Efficiency
    - NT4 159.946 ↓ Special motor functions
    - NT4 159.947 ↓ Volition. Will
  - NT3 159.95 ↓ Higher mental processes
  - NT3 159.96 ↓ Special mental states and processes
  - NT3 159.97 ↓ Abnormal psychology
  - NT3 159.98 ↓ Applied psychology (psychotechnology) in general
- NT2 16 ↓ Logic. Epistemology. Theory of knowledge. Methodology of logic ►▼
  - NT3 161/162 ↓ Fundamentals of logic
  - NT3 164 ↓ Logistic. Symbolic logic. Mathematical logic. Logical calculus
  - NT3 165 ↓ Theory of knowledge. Epistemology ►▼
    - NT4 165.6/.8 ↓ Epistemological viewpoints and doctrines
  - NT3 167/168 ↓ Logical methodology
- NT2 17 ↓ Moral philosophy. Ethics. Practical philosophy ►▼
  - NT3 171 ↓ Individual ethics. Human duties to oneself
  - NT3 172 ↓ Social ethics. Duties to one`s fellow humans
  - NT3 173 ↓ Family ethics
  - NT3 176 ↓ Sexual ethics. Sexual morality
  - NT3 177 ↓ Ethics and society
NT1 2 ↓ RELIGION. THEOLOGY ►▼
- NT2 2-1/-9 ↓ Special auxiliary subdivision for religion ►▼
  - NT3 2-1 ↓ Theory and philosophy of religion. Nature of religion. Phenomenon of religion ►▼
    - NT4 2-13 ↓ The Holy. The sacred. The supernatural. Object(s) of religion/worship
    - NT4 2-14 ↓ God. Gods (Personalised god(s) as distinct from immanent spirits)
    - NT4 2-15 ↓ Nature of god(s)
    - NT4 2-17 ↓ The universe. Nature of the universe. Cosmology
    - NT4 2-18 ↓ Man. Mankind. Humanity. Doctrinal anthropology ►
  - NT3 2-2 ↓ Evidences of religion ►▼
    - NT4 2-23 ↓ Sacred books. Scriptures. Religious texts
    - NT4 2-25 ↓ Secondary literature. Pseudo-canonical works
    - NT4 2-27 ↓ Critical works
    - NT4 2-28 ↓ Other religious texts
  - NT3 2-3 ↓ Persons in religion ►▼
    - NT4 2-31 ↓ Originator, founder, central figure of the faith
    - NT4 2-32 ↓ Messiah(s)
    - NT4 2-34 ↓ Martyrs
    - NT4 2-35 ↓ Ascetics. Hermits. Fakirs
    - NT4 2-36 ↓ Saints. Bodhisattvas. Enlightened ones
    - NT4 2-37 ↓ Mahatmas. Gurus. Wise men
    - NT4 2-38 ↓ Charismatics. Persons with supernatural powers
  - NT3 2-4 ↓ Religious activities. Religious practice ►▼
    - NT4 2-42 ↓ Moral behaviour. Moral theology
    - NT4 2-43 ↓ Social customs and practice. Social theology
    - NT4 2-46 ↓ Charity. Support for others. Pastoral activities. Pastoral theology in the broad sense
    - NT4 2-47 ↓ Education in religion ►
  - NT3 2-5 ↓ Worship broadly. Cult. Rites and ceremonies ►▼
    - NT4 2-523 ↓ Buildings for religious use. Ecclesiology
    - NT4 2-526 ↓ Objects in worship. Furnishings and decorations
    - NT4 2-53 ↓ Acts of worship (by participants)
    - NT4 2-54 ↓ Ceremonies by purpose
    - NT4 2-55 ↓ Sacraments. Sacramentals
    - NT4 2-56 ↓ Celebration
  - NT3 2-6 ↓ Processes in religion ►▼
    - NT4 2-65 ↓ Comparison of religions
    - NT4 2-67 ↓ Relations between faiths or with society in general. Religion and society
  - NT3 2-7 ↓ Religious organization and administration ►▼
    - NT4 2-72 ↓ Nature and structure of the organized religion, church. Ecclesiology
    - NT4 2-73 ↓ Government of the religion
    - NT4 2-74 ↓ Legal administration. Religious law. Canon law
    - NT4 2-76 ↓ Recruitment. Missionary activity. Missions broadly. Missiology
    - NT4 2-77 ↓ Organizational structure of the faith, religion
    - NT4 2-78 ↓ Religious organizations. Religious societies and associations
  - NT3 2-8 ↓ Religions characterised by various properties ►▼
    - NT4 2-84 ↓ Properties relating to the state
    - NT4 2-87 ↓ Schismatic groups. Heresies
  - NT3 2-9 ↓ History of the faith, religion, denomination or church
- NT2 21/29 ↓ Religious systems. Religions and faiths ►▼
  - NT3 21 ↓ Prehistoric and primitive religions ►▼
    - NT4 212 ↓ Prehistoric religions
    - NT4 213 ↓ Primitive religions
  - NT3 22 ↓ Religions originating in the Far East ►▼
    - NT4 221 ↓ Religions of China ►
    - NT4 223 ↓ Religions of Korea
    - NT4 225 ↓ Religions of Japan
  - NT3 23 ↓ Religions originating in Indian sub-continent. Hindu religion in the broad sense ►▼
    - NT4 233 ↓ Hinduism narrowly
    - NT4 234 ↓ Jainism
    - NT4 235 ↓ Sikhism
  - NT3 24 ↓ Buddhism ►▼
    - NT4 241 ↓ Hinayana Buddhism. The lesser vehicle. Theravada Buddhism. Pali school
    - NT4 242 ↓ Mahayana Buddhism. The great vehicle
    - NT4 243 ↓ Lamaism
    - NT4 244 ↓ Japanese Buddhism
  - NT3 25 ↓ Religions of antiquity. Minor cults and religions ►▼
    - NT4 251 ↓ Ancient Egyptian religion
    - NT4 252 ↓ Religions of Mesopotamia
    - NT4 254 ↓ Religions of Iran
    - NT4 255 ↓ Religions of classical antiquity
    - NT4 257 ↓ Religions of Europe
    - NT4 258 ↓ Religions of South and Central America. Pre-Columbian indigenous religions
  - NT3 26 ↓ Judaism ►▼
    - NT4 261 ↓ Religion of the Biblical period. Ancient Judaism. Old Testament religion
    - NT4 262 ↓ Ashkenazi Judaism
    - NT4 264 ↓ Sephardi Judaism
    - NT4 265 ↓ Orthodox Judaism
    - NT4 266 ↓ Progressive Judaism
    - NT4 267 ↓ Modern movements arising from Judaism
  - NT3 27 ↓ Christianity ►▼
    - NT4 271/279 ↓ Christian churches and denominations ►
  - NT3 28 ↓ Islam ►▼
    - NT4 281 ↓ Sufism
    - NT4 282 ↓ Sunni. Sunnite Islam
    - NT4 284 ↓ Shi'a. Shi'ite Islam
    - NT4 285 ↓ Babi-Baha'i
    - NT4 286 ↓ Baha'i
  - NT3 29 ↓ Modern spiritual movements
NT1 3 ↓ SOCIAL SCIENCES ►▼
- NT2 303 ↓ Methods of the social sciences
- NT2 304 ↓ Social questions. Social practice. Cultural practice. Way of life (Lebensweise)
- NT2 305 ↓ Gender studies
- NT2 308 ↓ Sociography. Descriptive studies of society (both qualitative and quantitative)
- NT2 311 ↓ Statistics as a science. Statistical theory ►▼
  - NT3 311.1 ↓ Fundamentals, bases of statistics
  - NT3 311.2 ↓ Research technique. Preparation. Tabulation
  - NT3 311.3 ↓ General organization of statistics. Official statistics
  - NT3 311.4 ↓ Private statistics
- NT2 314/316 ↓ Society ►▼
  - NT3 314 ↓ Demography. Population studies ►▼
    - NT4 314.1 ↓ Population
  - NT3 316 ↓ Sociology ►▼
    - NT4 316.1 ↓ Object and scope of sociology
    - NT4 316.2 ↓ Sociological points of view and trends
    - NT4 316.3 ↓ Social structure. Society as a social system ►
    - NT4 316.4 ↓ Social processes. Social dynamics
    - NT4 316.6 ↓ Social psychology
    - NT4 316.7 ↓ Sociology of culture. Cultural context of social life
- NT2 32 ↓ Politics ►▼
  - NT3 321 ↓ Forms of political organization. States as political powers
  - NT3 322 ↓ Relations between church and state. Policy towards religion. Church policy
  - NT3 323 ↓ Home affairs. Internal policy ►▼
    - NT4 323.1 ↓ Nationalist, popular, ethnic movements and problems. National and ethnic minorities
    - NT4 323.2 ↓ Relation between people and state. Internal political activities
    - NT4 323.4 ↓ Class war. Forms of class warfare
  - NT3 324 ↓ Elections. Plebiscites. Referendums. Election campaigns. Electoral corruption, malpractice. Election results
  - NT3 325 ↓ Opening up of territories. Colonization. Colonialism
  - NT3 326 ↓ Slavery. Involuntary, unfree labour
  - NT3 327 ↓ International relations. World, global politics. International affairs. Foreign policy ►▼
    - NT4 327.2 ↓ Imperialism. Imperialistic policy. Political expansionism
    - NT4 327.3 ↓ Internationalism. International movements, objectives
    - NT4 327.5 ↓ International blocs. Tension, conflict
    - NT4 327.7 ↓ Activity of international and intergovernmental organizations
    - NT4 327.8 ↓ Political influence, pressure, on other states
  - NT3 328 ↓ Parliaments. Representation of the people. Governments
  - NT3 329 ↓ Political parties and movements
- NT2 33 ↓ Economics. Economic science ►▼
  - NT3 330 ↓ Economics in general ►▼
    - NT4 330.1 ↓ Science of economics. Basic economic concepts, theory. Value. Capital. Funds
    - NT4 330.3 ↓ Dynamics of the economy. Economic movement
    - NT4 330.4 ↓ Mathematical economics
    - NT4 330.5 ↓ National property. National assets. Social product. Balance of the economy. Estimation of national product
    - NT4 330.8 ↓ History of economic theories, doctrines, dogmas
  - NT3 331 ↓ Labour. Employment. Work. Labour economics. Organization of labour ►▼
    - NT4 331.1 ↓ Theory and organization of work. Relations between business firms and employees
    - NT4 331.2 ↓ Salaries. Wages. Remuneration. Pay
    - NT4 331.3 ↓ Working conditions other than pay
    - NT4 331.4 ↓ Working environment. Workplace design. Occupational safety. Hygiene at work. Accidents at work
    - NT4 331.5 ↓ Labour market. Employment
  - NT3 332 ↓ Regional economics. Territorial economics. Land economics. Housing economics ►▼
    - NT4 332.1 ↓ Regional economics. Territorial economics
    - NT4 332.2 ↓ Land economics
    - NT4 332.3 ↓ Land use
    - NT4 332.5 ↓ Land requirement. Long-term planning of land use
    - NT4 332.6 ↓ Land value. Value of plots, sites, holdings. Real-estate value. Productivity. Rents
    - NT4 332.7 ↓ Trade in land, in real estate
    - NT4 332.8 ↓ Economics of housing
  - NT3 334 ↓ Forms of organization and cooperation in the economy
  - NT3 336 ↓ Finance ►▼
    - NT4 336.1 ↓ Public sector finance. Government finance in general
    - NT4 336.2 ↓ Public revenue
    - NT4 336.5 ↓ Public expenditure. State expenditure
    - NT4 336.7 ↓ Money. Monetary system. Banking. Stock exchanges
  - NT3 338 ↓ Economic situation. Economic policy. Management of the economy. Economic planning. Production. Services. Prices ►▼
    - NT4 338.1 ↓ Economic situation. Trade cycle. Development of economic structure. Growth
    - NT4 338.2 ↓ Economic policy. Control of the economy. Management of the economy. Economic planning
    - NT4 338.3 ↓ Production
    - NT4 338.4 ↓ Production and services according to economic sectors ►
    - NT4 338.5 ↓ Prices. Price formation. Costs
  - NT3 339 ↓ Trade. Commerce. International economic relations. World economy ►▼
    - NT4 339.1 ↓ General questions of trade and commerce. Market
    - NT4 339.3 ↓ Inland trade. Internal trade. Domestic trade
    - NT4 339.5 ↓ Foreign trade. External trade. International trade
    - NT4 339.7 ↓ International finance
    - NT4 339.9 ↓ International economy generally. International economic relations. Global economy
- NT2 34 ↓ Law. Jurisprudence ►▼
  - NT3 340 ↓ Law in general. Legal methods and auxiliary sciences ►▼
    - NT4 340.1 ↓ Types and forms of law ►
    - NT4 340.5 ↓ Comparative law
    - NT4 340.6 ↓ Auxiliary legal sciences. Forensic psychology. Forensic chemistry. Forensic medicine
  - NT3 341 ↓ International law ►▼
    - NT4 341.1/.8 ↓ Public international law. Law of nations ►
    - NT4 341.9 ↓ International private law. Conflict of laws
  - NT3 342 ↓ Public law. Constitutional law. Administrative law ►▼
    - NT4 342.1 ↓ State. People. Nation. Power of the state
    - NT4 342.2 ↓ State. Structure of states
    - NT4 342.3 ↓ Supreme authority. Sovereignty. Forms of state. Forms of government
    - NT4 342.4 ↓ Constitutions. Legislative assemblies. National assemblies
    - NT4 342.5 ↓ Power of the state. System and function of organs of government
    - NT4 342.6 ↓ Executive power of the state. Central organs of state government
    - NT4 342.7 ↓ Fundamental rights. Human rights. Rights and duties of the citizen
    - NT4 342.8 ↓ Electoral law. Voting. Electoral systems
    - NT4 342.9 ↓ Administrative law
  - NT3 343 ↓ Criminal law. Penal offences ►▼
    - NT4 343.1 ↓ Criminal justice. Criminal investigation. Criminal proceedings
    - NT4 343.2/.7 ↓ Criminal law ►
    - NT4 343.8 ↓ Punishment. Execution of sentence. Crime prevention. Deterrence
    - NT4 343.9 ↓ Criminology. Criminal sciences. Criminalistics
  - NT3 344 ↓ Special criminal law. Military, naval, air force laws ►▼
    - NT4 344.1 ↓ Military penal law. Laws of armed land forces
    - NT4 344.3 ↓ Military justice and jurisdiction. Courts martial. Military tribunals
    - NT4 344.4 ↓ Naval penal law. Laws of marine armed forces
    - NT4 344.6 ↓ Mercantile marine penal law. Penal and disciplinary regime in merchant navy
    - NT4 344.7 ↓ Air-force penal law
  - NT3 346 ↓ Economic law. Law of government control of the economy ►▼
    - NT4 346.2 ↓ Subjects of economic law
    - NT4 346.3 ↓ Economic liabilities. Economic contracts
    - NT4 346.5 ↓ Regulation of economic order and control
    - NT4 346.6 ↓ Regulation of prices, tariffs, finance, credits and accounts
    - NT4 346.7 ↓ Regulation of individual sectors of the economy
    - NT4 346.9 ↓ Enforcement of economic law. Sanctions. Supervision. Commercial disputes. Settlement. Legal protection
  - NT3 347 ↓ Civil law ►▼
    - NT4 347.1 ↓ Generalities of civil law
    - NT4 347.2 ↓ Law of realty. Real rights. Things. Chattels
    - NT4 347.3 ↓ Movables in general. Personalty
    - NT4 347.4 ↓ Commitments. Contractual liabilities. Bonds. Contracts. Agreements
    - NT4 347.5 ↓ Noncontractual liabilities. Torts
    - NT4 347.6 ↓ Family law. Law of inheritance. Heirs. Successors
    - NT4 347.7 ↓ Commercial law. Company law
    - NT4 347.8 ↓ Laws of air, space, ether
    - NT4 347.9 ↓ Legal procedure. Judiciary personnel and organization
  - NT3 348 ↓ Ecclesiastical law. Canon law. Religious law (option)
  - NT3 349 ↓ Special branches of law. Miscellaneous legal matters
- NT2 35 ↓ Public administration. Government. Military affairs ►▼
  - NT3 351 ↓ Particular activities of public administration
  - NT3 352/354 ↓ Levels of administration. Local, regional, central administration ►▼
  - NT3 355/359 ↓ Military affairs. Art of war. Military science. Defence. Armed forces ►▼
    - NT4 355 ↓ Military affairs generally ►
    - NT4 356/358 ↓ Individual branches of land and air forces ►
    - NT4 359 ↓ Naval forces. Military fleet. Navy: personnel, organization
- NT2 36 ↓ Safeguarding the mental and material necessities of life ►▼
  - NT3 364 ↓ Social welfare ►▼
    - NT4 364-1 ↓ Theories of social welfare
    - NT4 364-2 ↓ Principles of assistance
    - NT4 364-3 ↓ Social welfare agencies. Social welfare organizations
    - NT4 364-4 ↓ People as providers of social welfare assistance
    - NT4 364-5 ↓ Social welfare facilities
    - NT4 364-6 ↓ Contributions and payments
    - NT4 364-7 ↓ Social welfare operations. Welfare effort. Social services. Service provision
    - NT4 364.2 ↓ Basic human needs. Requirements for well-being
    - NT4 364.3 ↓ Social benefits. Social allowances. Social insurance. Social assistance
    - NT4 364.4 ↓ Fields of practice in social work
    - NT4 364.6 ↓ Social welfare issues
  - NT3 365 ↓ Accommodation desires and their fulfilment. Safeguarding accommodation
  - NT3 366 ↓ Consumerism
  - NT3 368 ↓ Insurance. Communal provision through sharing of risk
- NT2 37 ↓ Education ►▼
  - NT3 37.01/.09 ↓ Special auxiliary table for theory, principles, methods and organization of education ►▼
    - NT4 37.01 ↓ Fundamentals of education. Theory. Policy etc.
    - NT4 37.02 ↓ General questions of didactics and method
    - NT4 37.04 ↓ Education in relation to the educand, pupil. Guidance
    - NT4 37.06 ↓ Social problems. Human contacts, relationships
    - NT4 37.07 ↓ Management aspects of educational institutions
    - NT4 37.09 ↓ Organization of instruction
  - NT3 373 ↓ Kinds of school providing general education
  - NT3 374 ↓ Education and training out of school. Further education
  - NT3 376 ↓ Education, teaching, training of special groups of persons. Special schools
  - NT3 377 ↓ Specialized instruction. Vocational, technical, professional training. Vocational colleges, institutes. Polytechnics
  - NT3 378 ↓ Higher education. Universities. Academic study
  - NT3 379.8 ↓ Leisure
- NT2 39 ↓ Cultural anthropology. Ethnography. Customs. Manners. Traditions. Way of life ►▼
  - NT3 391 ↓ Costume. Clothing. National dress. Fashion. Adornment
  - NT3 392 ↓ Customs, manners, usage in private life
  - NT3 393 ↓ Death. Treatment of corpses. Funerals. Death rites
  - NT3 394 ↓ Public life. Pageantry. Social life. Life of the people
  - NT3 395 ↓ Social ceremonial. Etiquette. Good manners. Social forms. Rank. Title
  - NT3 398 ↓ Folklore in the strict sense
NT1 5 ↓ MATHEMATICS. NATURAL SCIENCES ►▼
- NT2 502/504 ↓ Environmental science. Conservation of natural resources. Threats to the environment and protection against them ►▼
  - NT3 502 ↓ The environment and its protection ►▼
    - NT4 502.3/.7 ↓ Parts of the environment
  - NT3 504 ↓ Threats to the environment
- NT2 51 ↓ Mathematics ►▼
  - NT3 510 ↓ Fundamental and general considerations of mathematics ►▼
    - NT4 510.2 ↓ General problems of mathematical logic. Foundations of mathematics
    - NT4 510.3 ↓ Set theory
    - NT4 510.6 ↓ Mathematical logic
  - NT3 511 ↓ Number theory
  - NT3 512 ↓ Algebra
  - NT3 514 ↓ Geometry ►▼
    - NT4 514.7 ↓ Differential geometry. Algebraic and analytic methods in geometry
  - NT3 515.1 ↓ Topology
  - NT3 517 ↓ Analysis ►▼
    - NT4 517.9 ↓ Differential equations. Integral equations. Other functional equations. Finite differences. Calculus of variations. Functional analysis
  - NT3 519.1 ↓ Combinatorial analysis. Graph theory
  - NT3 519.2 ↓ Probability. Mathematical statistics
  - NT3 519.6 ↓ Computational mathematics. Numerical analysis
  - NT3 519.7 ↓ Mathematical cybernetics
  - NT3 519.8 ↓ Operational research (OR): mathematical theories and methods ►▼
    - NT4 519.83 ↓ Game theory
    - NT4 519.85 ↓ Mathematical programming
- NT2 52 ↓ Astronomy. Astrophysics. Space research. Geodesy ►▼
  - NT3 520 ↓ Astronomical instruments and techniques
  - NT3 521 ↓ Theoretical astronomy. Celestial mechanics ►▼
    - NT4 521.9 ↓ Astrometry. Spherical astronomy
  - NT3 523 ↓ The Solar System ►▼
    - NT4 523.3 ↓ Earth-Moon system
    - NT4 523.4 ↓ Planets and their satellites. Planetology
    - NT4 523.6 ↓ Interplanetary medium. Comets. Meteors. Meteorites
    - NT4 523.9 ↓ The Sun. Solar physics
  - NT3 524 ↓ Stars. Stellar systems. The Universe ►▼
    - NT4 524.1 ↓ Cosmic rays. Primary cosmic rays
    - NT4 524.3 ↓ Stars
    - NT4 524.4 ↓ Star clusters. Associations of stars
    - NT4 524.5 ↓ Interstellar medium. Galactic nebulae
    - NT4 524.6 ↓ The Galaxy (Milky Way)
    - NT4 524.7 ↓ Extragalactic systems
    - NT4 524.8 ↓ The Universe. Metagalaxy. Cosmology
  - NT3 528 ↓ Geodesy. Surveying. Photogrammetry. Remote sensing. Cartography ►▼
    - NT4 528.1 ↓ Theory of errors and adjustment in geodesy and photogrammetry
    - NT4 528.2 ↓ Figure of the Earth. Earth measurement. Mathematical geodesy. Physical geodesy. Astronomical geodesy
    - NT4 528.3 ↓ Geodetic surveying
    - NT4 528.4 ↓ Field surveying. Land surveying. Cadastral survey. Topography. Engineering survey. Special fields of surveying
    - NT4 528.5 ↓ Geodetic instruments and equipment
    - NT4 528.7 ↓ Photogrammetry: aerial, terrestrial
    - NT4 528.8 ↓ Remote sensing
    - NT4 528.9 ↓ Cartography. Mapping (textual documents)
- NT2 53 ↓ Physics ►▼
  - NT3 53.01/.09 ↓ Special auxiliary subdivision for physics ►▼
    - NT4 53.01 ↓ Theory and nature of phenomena
    - NT4 53.02 ↓ General laws of phenomena
    - NT4 53.03 ↓ Production and causes of phenomena
    - NT4 53.04 ↓ Effects of phenomena
    - NT4 53.05 ↓ Observation and recording of phenomena. Visual indication of phenomena
    - NT4 53.06 ↓ Application, utilization of phenomena
    - NT4 53.07 ↓ Apparatus for production and study of phenomena
    - NT4 53.08 ↓ General principles and theory of measurement and the design of measuring apparatus. Measurement methods
    - NT4 53.09 ↓ Dependence of phenomena on certain fundamental physical effects
  - NT3 531/534 ↓ Mechanics ►▼
    - NT4 531 ↓ General mechanics. Mechanics of solid and rigid bodies ►
    - NT4 532 ↓ Fluid mechanics in general. Mechanics of liquids (hydromechanics) ►
    - NT4 533 ↓ Mechanics of gases. Aeromechanics. Plasma physics ►
    - NT4 534 ↓ Vibrations. Waves. Acoustics ►
  - NT3 535 ↓ Optics ►▼
    - NT4 535-1/-9 ↓ Special auxiliary subdivision for optics ►
    - NT4 535.1 ↓ Theory of light
    - NT4 535.2 ↓ Propagation and energetics of radiation. Photometry
    - NT4 535.3 ↓ Propagation. Reflection. Refraction. Absorption. Emission
    - NT4 535.4 ↓ Interference. Diffraction. Scattering by diffraction
    - NT4 535.5 ↓ Polarization. Double refraction. Dispersion in anisotropic bodies
    - NT4 535.6 ↓ Colours and their properties. Colour theory
    - NT4 535.8 ↓ Applications of optics in general
  - NT3 536 ↓ Heat. Thermodynamics. Statistical physics ►▼
    - NT4 536.1 ↓ General theory of heat
    - NT4 536.2 ↓ Heat conduction. Heat transfer
    - NT4 536.3 ↓ Effect of bodies on heat radiation
    - NT4 536.4 ↓ Effect of heat input and temperature on volume and structure of bodies
    - NT4 536.5 ↓ Temperature. Temperature scales. Temperature measurement. Thermometers. Temperature control
    - NT4 536.6 ↓ Measurement of heat quantity. Calorimetry
    - NT4 536.7 ↓ Thermodynamics. Energetics
  - NT3 537 ↓ Electricity. Magnetism. Electromagnetism ►▼
    - NT4 537.2 ↓ Static electricity. Electrostatics
    - NT4 537.3 ↓ Current electricity. Electric current. Electrokinetics
    - NT4 537.5 ↓ Electron and ion phenomena
    - NT4 537.6/.8 ↓ Magnetism. Electromagnetism ►
  - NT3 538.9 ↓ Condensed matter physics. Solid state physics
  - NT3 539 ↓ Physical nature of matter ►▼
    - NT4 539.1 ↓ Nuclear physics. Atomic physics. Molecular physics
    - NT4 539.2 ↓ Properties and structure of molecular systems
    - NT4 539.3 ↓ Elasticity. Deformation. Mechanics of elastic solids
    - NT4 539.4 ↓ Strength. Resistance to stress
    - NT4 539.5 ↓ Properties of materials affecting deformability
    - NT4 539.6 ↓ Intermolecular forces
    - NT4 539.8 ↓ Other physico-mechanical effects
- NT2 54 ↓ Chemistry. Crystallography. Mineralogy ►▼
  - NT3 54-1/-4 ↓ Special auxiliary subdivision for state of substance, chemicals ►▼
    - NT4 54-1 ↓ State of substance
    - NT4 54-3 ↓ Particular kinds of compound
    - NT4 54-4 ↓ Chemicals. Reagents
  - NT3 54.01/.08 ↓ Special auxiliary subdivision for composition, production, preparation and analysis ►▼
    - NT4 54.01 ↓ Chemical substances and systems. Origin. Occurrence. Phases
    - NT4 54.02 ↓ Composition. Structure. Isotopes
    - NT4 54.05 ↓ Production. Preparation. Isolation. Purification etc.
    - NT4 54.06 ↓ Analysis, investigation and handling in general
    - NT4 54.07 ↓ Apparatus and equipment for preparation, investigation and analysis
    - NT4 54.08 ↓ Measurement principles, methods, techniques. Instrumentation
  - NT3 542 ↓ Practical laboratory chemistry. Preparative and experimental chemistry ►▼
    - NT4 542.1 ↓ Chemical laboratories
    - NT4 542.2 ↓ Laboratory apparatus and instrumentation in general. Laboratory methods in general
    - NT4 542.3 ↓ Measurement of weight, mass. Measurement of volume
    - NT4 542.4 ↓ Heat and cold application
    - NT4 542.5 ↓ Use of flames. Blowlamps
    - NT4 542.6 ↓ Working with liquids
    - NT4 542.7 ↓ Working with gases
    - NT4 542.8 ↓ Physical, physicochemical and electrical operations
    - NT4 542.9 ↓ Chemical reactions. Special chemical processes
  - NT3 543 ↓ Analytical chemistry ►▼
    - NT4 543.2 ↓ Chemical methods of analysis
    - NT4 543.3 ↓ Water sampling and analysis
    - NT4 543.4 ↓ Spectral analysis methods. Optical analysis methods
    - NT4 543.5 ↓ Physicochemical methods of analysis (other than optical methods)
    - NT4 543.6 ↓ Analysis of different substances. Analytical control in production conditions
    - NT4 543.9 ↓ Analysis by biological and biochemical reactions. Biological methods used for analytical purposes
  - NT3 544 ↓ Physical chemistry ►▼
    - NT4 544.01/.07 ↓ Special auxiliary subdivision for physical chemistry ►
    - NT4 544.1 ↓ Chemical structure of matter
    - NT4 544.2 ↓ Physical chemistry of solids, liquids and gases
    - NT4 544.3 ↓ Chemical thermodynamics
    - NT4 544.4 ↓ Chemical kinetics. Catalysis
    - NT4 544.5 ↓ Chemistry of high energy processes
    - NT4 544.6 ↓ Electrochemistry
    - NT4 544.7 ↓ Chemistry of surface phenomena and colloids
  - NT3 546 ↓ Inorganic chemistry ►▼
    - NT4 546.1 ↓ Nonmetals and metalloids in general
    - NT4 546.3 ↓ Metals in general
  - NT3 547 ↓ Organic chemistry ►▼
    - NT4 547.1 ↓ Classification of organic compounds. Element-organic compounds
  - NT3 548/549 ↓ Mineralogical sciences. Crystallography. Mineralogy ►▼
    - NT4 548 ↓ Crystallography ►
    - NT4 549 ↓ Mineralogy. Special study of minerals ►
- NT2 55 ↓ Earth Sciences. Geological sciences ►▼
  - NT3 550 ↓ Ancillary sciences of geology etc. ►▼
    - NT4 550.1 ↓ Physiography
    - NT4 550.2 ↓ Geoastronomy. Cosmogony
    - NT4 550.3 ↓ Geophysics
    - NT4 550.4 ↓ Geochemistry
    - NT4 550.7 ↓ Geobiology. Geological actions of organisms
    - NT4 550.8 ↓ Applied geology and geophysics. Geological prospecting and exploration. Interpretation of results
    - NT4 550.93 ↓ Geochronology. Geological dating. Determination of absolute geological age
  - NT3 551 ↓ General geology. Meteorology. Climatology. Historical geology. Stratigraphy. Palaeogeography ►▼
    - NT4 551.1/.4 ↓ General geology ►
    - NT4 551.5 ↓ Meteorology ►
    - NT4 551.7 ↓ Historical geology. Stratigraphy
    - NT4 551.8 ↓ Palaeogeography
  - NT3 552 ↓ Petrology. Petrography ►▼
    - NT4 552.1 ↓ Rock characteristics and properties generally. Physical and physicochemical petrology
    - NT4 552.3/.6 ↓ Igneous, sedimentary and metamorphic petrology ►
  - NT3 553 ↓ Economic geology. Mineral deposits ►▼
    - NT4 553.2 ↓ Ore formation. Mineral formation
    - NT4 553.3/.9 ↓ Ore and other mineral deposits. Natural resources ►
  - NT3 556 ↓ Hydrosphere. Water in general. Hydrology ►▼
    - NT4 556.3 ↓ Groundwater hydrology. Geohydrology. Hydrogeology
    - NT4 556.5 ↓ Surface-water hydrology. Land hydrology
- NT2 56 ↓ Palaeontology ►▼
  - NT3 561 ↓ Systematic palaeobotany ►▼
    - NT4 561.4 ↓ Seed plants in general. Spermatophyta. Phanerogams. Siphonogamous embryophyta
    - NT4 561.7 ↓ Rosidae
    - NT4 561.9 ↓ Asteridae
  - NT3 562/569 ↓ Systematic palaeozoology ►▼
    - NT4 562 ↓ Invertebrata in general
    - NT4 564 ↓ Mollusca. Bryozoa. Brachiopoda
    - NT4 565 ↓ Articulata ►
    - NT4 566/569 ↓ Chordata ►
- NT2 57 ↓ Biological sciences in general ►▼
  - NT3 57.01/.08 ↓ Special auxiliary subdivision for theoretical aspects, characteristics, factors etc. in biology ►▼
    - NT4 57.01 ↓ General laws. Theoretical aspects. Characteristics. Properties
    - NT4 57.02 ↓ Biological and ethological processes
    - NT4 57.03 ↓ Pattern of property variations
    - NT4 57.04 ↓ Factors. Influences
    - NT4 57.06 ↓ Nomenclature and classification of organisms. Taxonomy
    - NT4 57.07 ↓ Analytical palaeontology
    - NT4 57.08 ↓ Biological techniques, experimental methods and equipment in general
  - NT3 572 ↓ Physical anthropology ►▼
    - NT4 572.1/.4 ↓ Anthropogeny. Human development in general. Origin of the human species
    - NT4 572.9 ↓ Special anthropogeography. Individual human ancestry groups
  - NT3 573 ↓ General and theoretical biology
  - NT3 574 ↓ General ecology and biodiversity
  - NT3 575 ↓ General genetics. General cytogenetics
  - NT3 576 ↓ Cellular and subcellular biology. Cytology
  - NT3 577 ↓ Material bases of life. Biochemistry. Molecular biology. Biophysics
  - NT3 578 ↓ Virology
  - NT3 579 ↓ Microbiology ►▼
    - NT4 579.2 ↓ General microbiology
    - NT4 579.6 ↓ Applied microbiology
    - NT4 579.8 ↓ Classification and systematics of microorganisms
- NT2 58 ↓ Botany ►▼
  - NT3 581 ↓ General botany ►▼
    - NT4 581.1 ↓ Plant physiology
    - NT4 581.2 ↓ Plant diseases. Plant pathology. Phytopathology
    - NT4 581.3 ↓ Embryology of plants
    - NT4 581.4 ↓ Plant morphology. Plant anatomy
    - NT4 581.5 ↓ Habits of plants. Plant behaviour. Plant ecology. Plant ethology. The plant and its environment. Bionomics of plants
    - NT4 581.6 ↓ Applied botany. Use of plants. Technobotany. Economic botany
    - NT4 581.8 ↓ Plant histology
    - NT4 581.9 ↓ Geographic botany. Plant geography (phytogeography). Floras. Geographic distribution of plants
  - NT3 582 ↓ Systematic botany ►▼
    - NT4 582.091/.099 ↓ Special auxiliary subdivisions for classification of plants according to size and form ►
    - NT4 582.23 ↓ Bacteria
    - NT4 582.24 ↓ Protista (Protoctista). Chromista. Protozoa
    - NT4 582.261/.279 ↓ Algae. Phycology
    - NT4 582.28 ↓ Fungi (Eumycota, Eumycetes). True fungi. Moulds. Mycology
    - NT4 582.29 ↓ Lichens
    - NT4 582.32/.998 ↓ Plantae ►
- NT2 59 ↓ Zoology ►▼
  - NT3 591 ↓ General zoology ►▼
    - NT4 591.1 ↓ Animal physiology
    - NT4 591.2 ↓ Diseases of (undomesticated) animals. Animal pathology
    - NT4 591.3 ↓ Animal embryology. Animal ontogeny. Development of the individual organism
    - NT4 591.4 ↓ Study of animal organs. Animal organology. Animal anatomy. Zootomy
    - NT4 591.5 ↓ Animal habits. Animal behaviour. Ecology. Ethology. Animal and environment. Bionomy
    - NT4 591.6 ↓ Economic zoology. Applied zoology
    - NT4 591.8 ↓ Animal histology
    - NT4 591.9 ↓ Geographic zoology. Zoogeography. Fauna. Geographic distribution of animals
  - NT3 592/599 ↓ Systematic zoology ►▼
    - NT4 592 ↓ Invertebrata
    - NT4 594 ↓ Mollusca. Bryozoa. Brachiopoda
    - NT4 595 ↓ Articulata ►
    - NT4 596/599 ↓ Chordata ►
NT1 6 ↓ APPLIED SCIENCES. MEDICINE. TECHNOLOGY ►▼
- NT2 60 ↓ Biotechnology ►▼
  - NT3 601 ↓ Fundamental concepts
  - NT3 602 ↓ Processes and techniques in biotechnology
  - NT3 604 ↓ Biotechnology products
  - NT3 606 ↓ Applications of biotechnology
  - NT3 608 ↓ Issues in biotechnology
- NT2 61 ↓ Medical sciences ►▼
  - NT3 611/612 ↓ Human biology ►▼
    - NT4 611 ↓ Anatomy. Human and comparative anatomy
    - NT4 612 ↓ Physiology. Human and comparative physiology ►
  - NT3 613 ↓ Hygiene generally. Personal health and hygiene ►▼
    - NT4 613.2 ↓ Dietetics. Nutrition principles applied to feeding and foods
    - NT4 613.3 ↓ Drinks. Curative drinks. Medicinal waters. Liquid diet
    - NT4 613.4 ↓ Personal hygiene. Clothing
    - NT4 613.5 ↓ Hygiene of dwellings
    - NT4 613.6 ↓ Occupational health hazards. Occupational health and hygiene
    - NT4 613.7 ↓ Health and hygiene of leisure, recreation, sleep
    - NT4 613.8 ↓ Health and hygiene of the nervous system. Health and ethics
    - NT4 613.9 ↓ Health and hygiene in relation to age, sex, ethnicity
  - NT3 614 ↓ Public health and hygiene. Accident prevention ►▼
    - NT4 614.1 ↓ Population. Depopulation
    - NT4 614.2 ↓ Public and professional organization of health
    - NT4 614.3 ↓ Sanitary inspection and control ►
    - NT4 614.4 ↓ Prevention and control of communicable (infectious, contagious) diseases. Prevention of epidemics
    - NT4 614.6 ↓ Cemetery hygiene. Disposal of the dead
    - NT4 614.7 ↓ Hygiene of air, water, soil. Pollution and its control
    - NT4 614.8 ↓ Accidents. Risks. Hazards. Accident prevention. Personal protection. Safety
    - NT4 614.9 ↓ Animal health. Veterinary hygiene
  - NT3 615 ↓ Pharmacology. Therapeutics. Toxicology ►▼
    - NT4 615.1 ↓ General and professional pharmacy
    - NT4 615.2 ↓ Medicaments according to their principal action
    - NT4 615.3 ↓ Medicaments according to their origin
    - NT4 615.4 ↓ Pharmaceutical preparations. Medical material. Equipment
    - NT4 615.8 ↓ Physiotherapy. Physical therapy. Radiotherapy. Other nonmedicinal therapeutic treatment
    - NT4 615.9 ↓ General toxicology. General studies of poisons and poisoning (intoxication)
  - NT3 616 ↓ Pathology. Clinical medicine ►▼
    - NT4 616-001/-009 ↓ Special auxiliary subdivision for morbid processes ►
    - NT4 616-01/-099 ↓ Special auxiliary subdivision for general aspects of pathology ►
    - NT4 616-71/-78 ↓ Special auxiliary subdivision for medical and surgical instrumentation and equipment ►
    - NT4 616.1/.9 ↓ Special pathology ►
  - NT3 617 ↓ Surgery. Orthopaedics. Ophthalmology ►▼
    - NT4 617.3 ↓ Orthopaedics in general
    - NT4 617.7 ↓ Ophthalmology. Eye disorders and treatment
  - NT3 618 ↓ Gynaecology. Obstetrics
- NT2 62 ↓ Engineering. Technology in general ►▼
  - NT3 62-1/-9 ↓ Special auxiliary subdivision for technology in general ►▼
    - NT4 62-1 ↓ General characteristics of machines etc.
    - NT4 62-2 ↓ Fixed and movable parts, components of machines
    - NT4 62-3 ↓ Fluid control parts and drives. Valves, closures etc.
    - NT4 62-4 ↓ State, condition, form of materials, surfaces, objects, products
    - NT4 62-5 ↓ Operation and control of machines and processes
    - NT4 62-6 ↓ Fuel and other heat-source characteristics of machinery and installations
    - NT4 62-7 ↓ Devices for servicing, maintenance and protection of machines
    - NT4 62-8 ↓ Machines according to motive power, propulsive force. Source of energy of machine
    - NT4 62-9 ↓ Variables, conditions and characteristics of production processes, plant and equipment ►
  - NT3 620 ↓ Materials testing. Commercial materials. Power stations. Economics of energy ►▼
    - NT4 620.3 ↓ Nanotechnology
    - NT4 620.9 ↓ Economics of energy in general
  - NT3 621 ↓ Mechanical engineering in general. Nuclear technology. Electrical engineering. Machinery ►▼
    - NT4 621.1 ↓ Heat engines in general. Generation, distribution and use of steam. Steam engines. Boilers
    - NT4 621.22 ↓ Hydraulic energy. Water power. Hydraulic machinery
    - NT4 621.3 ↓ Electrical engineering
    - NT4 621.4 ↓ Heat engines (except steam engines)
    - NT4 621.5 ↓ Pneumatic energy, machinery and tools. Refrigeration
    - NT4 621.6 ↓ Fluids handling, storage and distribution plant and techniques
    - NT4 621.7 ↓ Mechanical technology in general: processes, tools, machines, equipment
    - NT4 621.8 ↓ Machine elements. Motive power engineering. Materials handling. Fixings. Lubrication
    - NT4 621.9 ↓ Working or machining with chip formation. Abrasive working. Hammers and presses
  - NT3 622 ↓ Mining ►▼
    - NT4 622.1 ↓ Preliminary investigation. Mine surveying and mapping. Exploration of mineral deposits (surface and underground)
    - NT4 622.2 ↓ Mining operations. Exploration, opening-up, development, working of mineral deposits
    - NT4 622.3 ↓ Mining of specific minerals, ores, rocks
    - NT4 622.4 ↓ Ventilation, air conditioning, heating and illumination of mines
    - NT4 622.5 ↓ Mine drainage. Unwatering (dewatering)
    - NT4 622.6 ↓ Haulage and handling. Hoisting. Winding. Surface transport
    - NT4 622.7 ↓ Treatment, processing of minerals. Mineral dressing. Ore preparation
    - NT4 622.8 ↓ Mining hazards, accidents and damage. Health protection and safety in mines
  - NT3 623 ↓ Military engineering ►▼
    - NT4 623.1/.7 ↓ Land-based military engineering. Artillery ►
    - NT4 623.8/.9 ↓ Naval engineering ►
  - NT3 624 ↓ Civil and structural engineering in general ►▼
    - NT4 624.01/.07 ↓ Special auxiliary subdivision for civil and structural engineering ►
    - NT4 624.1 ↓ Substructures. Earthworks. Foundations. Tunnelling
    - NT4 624.21/.8 ↓ Bridge construction ►
    - NT4 624.9 ↓ Superstructures (except bridges). Superstructures complete in themselves
  - NT3 625 ↓ Civil engineering of land transport. Railway engineering. Highway engineering ►▼
    - NT4 625.1/.5 ↓ Railways. Tramways. Cableways ►
    - NT4 625.7/.8 ↓ Highway engineering ►
  - NT3 626/627 ↓ Hydraulic engineering and construction. Water (aquatic) structures ►▼
    - NT4 626 ↓ Hydraulic engineering in general ►
    - NT4 627 ↓ Natural waterway, port, harbour and shore engineering. Navigational, dredging, salvage and rescue facilities. Dams and hydraulic power plant ►
  - NT3 628 ↓ Public health engineering. Water. Sanitation. Illuminating engineering ►▼
    - NT4 628.1 ↓ Water supply. Water treatment. Water consumption
    - NT4 628.2 ↓ Urban water removal. Town drainage. Sewerage
    - NT4 628.3 ↓ Sewage. Treatment, disposal, utilization of sewage
    - NT4 628.4 ↓ Urban hygiene. Wastes. Refuse. Rubbish. Garbage. Collection and disposal of town wastes
    - NT4 628.5 ↓ Measures against industrial and other nuisances
    - NT4 628.6 ↓ Drainage and sanitary installations of buildings (particularly public health requirements)
    - NT4 628.8 ↓ Indoor climate. Air conditioning. Heating. Ventilating
    - NT4 628.9 ↓ Lighting. Illumination engineering
  - NT3 629 ↓ Transport vehicle engineering ►▼
    - NT4 629.01/.08 ↓ Special auxiliary subdivision for transport vehicle engineering ►
    - NT4 629.3 ↓ Land vehicle engineering (excluding rail vehicles)
    - NT4 629.4 ↓ Rail vehicle engineering. Locomotives. Rolling stock. Railway yards. Installations and services concerned with rolling stock
    - NT4 629.5 ↓ Watercraft engineering. Marine engineering. Boats. Ships. Boatbuilding and shipbuilding
    - NT4 629.7 ↓ Air and space transport engineering. Aeronautics and aircraft. Rockets and missiles. Astronautics and spacecraft
- NT2 63 ↓ Agriculture and related sciences and techniques. Forestry. Farming. Wildlife exploitation ►▼
  - NT3 630 ↓ Forestry ►▼
    - NT4 630*0 ↓ Forests, forestry and the utilization of forest products
    - NT4 630*1 ↓ Factors of the environment. Forest biology
    - NT4 630*2 ↓ Silviculture
    - NT4 630*3 ↓ Work science (work studies) in forestry. Harvesting of wood: logging and transport. Forest engineering
    - NT4 630*4 ↓ Forest injuries and protection
    - NT4 630*5 ↓ Forest mensuration. Increment, development and structure of stands. Surveying and mapping
    - NT4 630*6 ↓ Forest management. Business economics of forestry. Administration and organization of forest enterprises
    - NT4 630*7 ↓ Marketing of forest products. Economics of forest transport and the wood industries
    - NT4 630*8 ↓ Forest products and their utilization
    - NT4 630*9 ↓ Forests and forestry from the national point of view. Social economics of forestry
  - NT3 631/635 ↓ Farm management. Agronomy. Horticulture ►▼
    - NT4 631 ↓ Agriculture in general ►
    - NT4 632 ↓ Plant damage, injuries. Plant diseases. Pests, organisms injurious to plants. Plant protection
    - NT4 633/635 ↓ Horticulture in general. Specific crops ►
  - NT3 636 ↓ Animal husbandry and breeding in general. Livestock rearing. Breeding of domestic animals ►▼
    - NT4 636.01/.09 ↓ Special auxiliary subdivision for animal husbandry ►
    - NT4 636.1 ↓ Domestic equines. Horses
    - NT4 636.2 ↓ Large ruminants. Cattle, oxen
    - NT4 636.3 ↓ Small ruminants
    - NT4 636.4 ↓ Pigs. Swine
    - NT4 636.5 ↓ Poultry
    - NT4 636.6 ↓ Birds (except poultry and game) bred or kept by humans
    - NT4 636.7 ↓ Dogs
    - NT4 636.8 ↓ Cats
    - NT4 636.9 ↓ Other animals kept by humans
  - NT3 637 ↓ Produce of domestic (farmyard) animals and game
  - NT3 638 ↓ Keeping, breeding and management of insects and other arthropods
  - NT3 639 ↓ Hunting. Fishing. Fish breeding ►▼
    - NT4 639.1 ↓ Hunting
    - NT4 639.2 ↓ Fishing. Fisheries
    - NT4 639.3 ↓ Fish breeding. Pisciculture
    - NT4 639.4 ↓ Breeding of aquatic molluscs (shellfish)
    - NT4 639.5 ↓ Breeding of aquatic crustaceans
    - NT4 639.6 ↓ Other marine products
- NT2 64 ↓ Home economics. Domestic science. Housekeeping ►▼
  - NT3 64.01/.08 ↓ Special auxiliary subdivision for domestic science ►▼
    - NT4 64.01 ↓ The household. Household management
    - NT4 64.048 ↓ Study of work and working methods in the household
    - NT4 64.05 ↓ Home economics. Housekeeping, furnishing and equipping a home etc. for particular kinds of person
    - NT4 64.06 ↓ Household appliances and machines. Labour-saving devices in the home
    - NT4 64.08 ↓ Moving house. Removals
  - NT3 640 ↓ Types of household
  - NT3 641/642 ↓ Food. Cooking. Dishes. Meals ►▼
    - NT4 641 ↓ Food. Cooking. Dishes
    - NT4 642 ↓ Meals and mealtimes. Tableware
  - NT3 643/645 ↓ The home. Household fittings and furnishings ►▼
    - NT4 643 ↓ The home. The dwelling
    - NT4 644 ↓ Installations for health and comfort in dwellings ►
    - NT4 645 ↓ Furniture and household fittings
  - NT3 646/649 ↓ Personal requisites. Household management ►▼
    - NT4 646 ↓ Clothing. Body care ►
    - NT4 648 ↓ Washing. Laundry. Cleaning
    - NT4 649 ↓ Domestic care of children, invalids, guests
- NT2 65 ↓ Communication and transport industries. Accountancy. Business management. Public relations ►▼
  - NT3 654 ↓ Telecommunication and telecontrol (organization, services) ►▼
    - NT4 654.1 ↓ Telegraphy, telephony, radio, television services
    - NT4 654.9 ↓ Signalling. Various telecommunication services. Remote control (telecontrol)
  - NT3 655 ↓ Graphic industries. Printing. Publishing. Book trade ►▼
    - NT4 655.1 ↓ Printing industry in general
    - NT4 655.4 ↓ Publishing and bookselling in general
  - NT3 656 ↓ Transport and postal services. Traffic organization and control ►▼
    - NT4 656.1/.5 ↓ Land transport ►
    - NT4 656.6 ↓ Transport by water
    - NT4 656.7 ↓ Transport by air. Air traffic
    - NT4 656.8 ↓ Postal services and administration
  - NT3 657 ↓ Accountancy
  - NT3 658 ↓ Business management, administration. Commercial organization ►▼
    - NT4 658.1 ↓ Forms of enterprise. Finances
    - NT4 658.2 ↓ Installations and plant. Premises. Buildings, works, factories. Materials
    - NT4 658.3 ↓ Human relations in the enterprise. Personnel management
    - NT4 658.5 ↓ Production engineering and planning. Design. Production management and control
    - NT4 658.6 ↓ Commercial organization and practice. Goods. Services
    - NT4 658.7 ↓ Buying. Purchasing. Procurement. Management of stock
    - NT4 658.8 ↓ Marketing. Sales. Selling. Distribution
    - NT4 658.9 ↓ Other commercial activities
  - NT3 659 ↓ Publicity. Information work. Public relations ►▼
    - NT4 659.1 ↓ Publicity. Advertising
    - NT4 659.2 ↓ Information work. Advisory and consultancy services
    - NT4 659.3 ↓ Mass communication. Informing, enlightening of the public at large
    - NT4 659.4 ↓ Public relations (PR)
- NT2 66 ↓ Chemical technology. Chemical and related industries ►▼
  - NT3 66.01/.09 ↓ Special auxiliary subdivision for chemical engineering ►▼
    - NT4 66.01 ↓ Fundamentals of chemical engineering
    - NT4 66.02 ↓ Chemical processing operations and equipment in general
    - NT4 66.03 ↓ Materials, characteristics, processes and equipment
    - NT4 66.04 ↓ Heat treatment operations and equipment
    - NT4 66.06 ↓ Chemical technology of liquids. Processes and equipment for treatment of or with liquids
    - NT4 66.07 ↓ Chemical technology of gases
    - NT4 66.08 ↓ Physical and physicochemical operations and equipment. Physical and physicochemical effects on chemical processes
  - NT3 661 ↓ Chemicals ►▼
    - NT4 661.1 ↓ Special chemical industries
    - NT4 661.2 ↓ Production of sulphur and its derivatives
    - NT4 661.3 ↓ Production of soda and potash, alkalis
    - NT4 661.4 ↓ Production of halogens and halogen compounds, inorganic peroxo-compounds
    - NT4 661.5 ↓ Production of nitrogen compounds. Fixation of nitrogen. Nitrogen industry in general
    - NT4 661.6 ↓ Production of various nonmetals and semimetals (metalloids), and their compounds
    - NT4 661.7 ↓ Production of organic substances. Organic chemicals
    - NT4 661.8 ↓ Metallic compounds in general. Salts. Mineral compounds
    - NT4 661.9 ↓ Production of gases
  - NT3 662 ↓ Explosives. Fuels ►▼
    - NT4 662.1/.4 ↓ Explosives ►
    - NT4 662.5 ↓ Igniters. Kindlers. Matches. Lighters
    - NT4 662.6/.9 ↓ Heat economy. Fuel economy. Fuels. Heating ►
  - NT3 663 ↓ Industrial microbiology. Industrial mycology. Zymurgy, fermentation industry. Beverage industry. Stimulant industry ►▼
    - NT4 663.1 ↓ Microbiological industries. Science and technique of applied microbiology. Applied mycology
    - NT4 663.2 ↓ Wine. Winemaking. Oenology
    - NT4 663.3 ↓ Cider. Perry. Other fruit wines, sap wines
    - NT4 663.4 ↓ Beers. Brewing. Malting
    - NT4 663.5 ↓ Potable alcohol. Spirituous liquors (ardent spirits). Alcohol distillation, refining
    - NT4 663.6 ↓ Water for beverages and other industrial uses. Mineral waters. Medicinal waters. Edible ice
    - NT4 663.8 ↓ Main ingredients for the blending of drinks. Fruit and vegetable juices. Syrups. Liqueurs. Soft drinks
    - NT4 663.9 ↓ Chocolate. Cocoa. Coffee. Tea. Tobacco
  - NT3 664 ↓ Production and preservation of solid foodstuffs ►▼
    - NT4 664.1 ↓ Sugar. Molasses. Glucose etc.
    - NT4 664.2 ↓ Starch. Amylaceous materials
    - NT4 664.3 ↓ Edible oils and fats. Margarine. Protein foodstuffs
    - NT4 664.4 ↓ Edible minerals
    - NT4 664.5 ↓ Spices. Condiments
    - NT4 664.6/.7 ↓ Technology and processing of cereal grains ►
    - NT4 664.8/.9 ↓ Food preservation technique
  - NT3 665 ↓ Oils. Fats. Waxes. Adhesives. Gums. Resins ►▼
    - NT4 665.1 ↓ Generalities on oils, fats, waxes and products derived from them
    - NT4 665.2 ↓ Oils, fats and waxes of animal origin
    - NT4 665.3 ↓ Vegetable oils, fats, waxes, phosphatides
    - NT4 665.5 ↓ Essential oils. Perfumery. Cosmetics
    - NT4 665.6/.7 ↓ Processes and products of the petroleum and allied industries ►
    - NT4 665.9 ↓ Miscellaneous organic chemical industries
  - NT3 666 ↓ Glass industry. Ceramics. Cement and concrete ►▼
    - NT4 666.1 ↓ Glass industry. Glass technology. Glass manufacture in general. Glass in the comprehensive sense
    - NT4 666.3/.7 ↓ Ceramics ►
    - NT4 666.9 ↓ Gypsum, lime and cement industries. Hard-setting materials. Plasters and compositions. Mortar and concrete
  - NT3 667 ↓ Colour industries ►▼
    - NT4 667.2 ↓ Dyestuffs industry. Manufacture and use of dyestuffs
    - NT4 667.4 ↓ Writing inks
    - NT4 667.5 ↓ Printing inks (black or coloured). Lithographic inks. Writing and drawing pencils. Coloured crayons
    - NT4 667.6 ↓ Coatings and coating techniques. Paints. Varnishes. Lacquers
    - NT4 667.7 ↓ Colouring, staining etc., of various materials (except printing and painting)
  - NT3 669 ↓ Metallurgy ►▼
    - NT4 669.1 ↓ Ferrous metallurgy. Iron and steel
    - NT4 669.2 ↓ Nonferrous metals in general
- NT2 67 ↓ Various industries, trades and crafts ►▼
  - NT3 671 ↓ Articles of precious metals, gems, precious stones ►▼
    - NT4 671.1 ↓ Gold and silver articles. Articles of other precious metals. Jewellery
    - NT4 671.4 ↓ Manufacture of coins and medals. Minting
  - NT3 672 ↓ Articles of iron and steel in general
  - NT3 673 ↓ Articles of nonferrous metals (except precious metals)
  - NT3 674 ↓ Timber and woodworking industry
  - NT3 675 ↓ Leather industry (including fur and imitation leather)
  - NT3 676 ↓ Pulp, paper and board industry
  - NT3 677 ↓ Textile industry ►▼
    - NT4 677.1/.5 ↓ Textile fibres ►
  - NT3 678 ↓ Industries based on macromolecular materials. Rubber industry. Plastics industry ►▼
    - NT4 678.4 ↓ Natural rubber. Other natural macromoleculars containing only carbon and hydrogen
    - NT4 678.5 ↓ Plastics
    - NT4 678.6 ↓ Synthetic polycondensation products. Polycondensates. Synthetic resins. Synthetic fibres etc.
    - NT4 678.7 ↓ Synthetic polymerization products. Polymerizates. Synthetic rubbers
  - NT3 679 ↓ Industries based on various processable materials ►▼
    - NT4 679.7 ↓ Cable and cordage industries
    - NT4 679.8 ↓ Stone technology. Stone industry
    - NT4 679.9 ↓ Technology of other natural processable materials
- NT2 68 ↓ Industries, crafts and trades for finished or assembled articles ►▼
  - NT3 681 ↓ Precision mechanisms and instruments ►▼
    - NT4 681.1 ↓ Apparatus with wheel or motor mechanisms
    - NT4 681.2 ↓ Instrument-making in general. Instrumentation. Measuring instruments and their manufacture. Balances. Weighing devices
    - NT4 681.5 ↓ Automatic control technology. Smart technology
    - NT4 681.6 ↓ Graphic reproduction machines and equipment
    - NT4 681.7 ↓ Optical apparatus and instruments
    - NT4 681.8 ↓ Technical acoustics
  - NT3 682 ↓ Smithery. Blacksmithery. Farriery. Hand-forged ironwork ►▼
    - NT4 682.1 ↓ Farriery. Shoe-smithing
    - NT4 682.3 ↓ Toolsmithing. Edge-tool forging
    - NT4 682.5 ↓ Furnishing ironwork
    - NT4 682.6 ↓ Building ironwork
  - NT3 683 ↓ Ironmongery. Hardware. Locksmithing. Bottling. Lamps. Heating appliances
  - NT3 684 ↓ Furniture and allied industries. Furniture manufacture. Upholstery ►▼
    - NT4 684.4 ↓ Furniture. Furniture design and manufacture
    - NT4 684.6 ↓ Veneering. Marquetry. Inlay etc.
    - NT4 684.7 ↓ Upholstery. Bedding. Covers. Hangings
  - NT3 685 ↓ Saddlery. Footwear. Gloving. Travel, sports, games and other equipment ►▼
    - NT4 685.1 ↓ Saddlery. Harness making
    - NT4 685.2 ↓ Accoutrements. Beltmaking. Leather equipment and analogous products
    - NT4 685.3 ↓ Footwear. Other aids to locomotion
    - NT4 685.4 ↓ Gloving. Glovemaking
    - NT4 685.5 ↓ Travel goods. Camping equipment
    - NT4 685.6 ↓ Sports and games equipment. Equipment and installations for athletics, gymnastics, physical training
    - NT4 685.7 ↓ Mountaineering, climbing equipment. Swimming equipment
    - NT4 685.8 ↓ Equipment for board and table games
  - NT3 686 ↓ Bookbinding. Metallizing. Mirror-making. Stationery
  - NT3 687 ↓ Clothing industry. Garment manufacture. Beauty culture ►▼
    - NT4 687.1 ↓ Outer clothing. Tailoring
    - NT4 687.2 ↓ Linen wear. Lingerie
    - NT4 687.3 ↓ Knitwear. Ties. Devices for securing and protecting clothing
    - NT4 687.4 ↓ Headgear. Hatmaking. Millinery
    - NT4 687.5 ↓ Beauty culture industries
    - NT4 687.8 ↓ Artificial furriery
    - NT4 687.9 ↓ Brush industry. Brooms etc.
  - NT3 688 ↓ Fancy goods. Toys. Decorative articles ►▼
    - NT4 688.7 ↓ Toys. Articles for amusement, tricks. Decorations
  - NT3 689 ↓ Amateur handicrafts. Technical hobbies
- NT2 69 ↓ Building (construction) trade. Building materials. Building practice and procedure ►▼
  - NT3 691 ↓ Building materials. Building components
  - NT3 692 ↓ Structural parts and elements of buildings
  - NT3 693 ↓ Masonry and related building crafts
  - NT3 694 ↓ Timber construction. Carpentry. Joinery
  - NT3 696 ↓ Equipment, services, installations in buildings (sanitary, gas, steam, electrical). Pipe fitter. Plumber. Metal worker. Drainlayer. Electrician. Other trades
  - NT3 697 ↓ Heating, ventilation and air conditioning of buildings
  - NT3 698 ↓ Finishing and decorating trades
NT1 7 ↓ THE ARTS. RECREATION. ENTERTAINMENT. SPORT ►▼
- NT2 7.01/.09 ↓ Special auxiliary subdivision for the arts ►▼
  - NT3 7.01 ↓ Theory and philosophy of art. Principles of design, proportion, optical effect
  - NT3 7.02 ↓ Art technique. Craftsmanship
  - NT3 7.03 ↓ Artistic periods and phases. Schools, styles, influences ►▼
    - NT4 7.031 ↓ Prehistoric art. Primitive art (ancient and modern)
    - NT4 7.032 ↓ Art of the ancient cultures of the Old World. Styles of Antiquity
    - NT4 7.033 ↓ Mediaeval art (Christian, Islamic art)
    - NT4 7.034 ↓ Renaissance. Baroque. Rococo. Colonial
    - NT4 7.035 ↓ Post-Renaissance
    - NT4 7.036 ↓ Modern art movements (from late 19th century). Realism, impressionism and subsequent 20th century trends
    - NT4 7.037 ↓ Transition between Expressionism and abstract art
    - NT4 7.038 ↓ Abstract art. Non-figurative art
  - NT3 7.04 ↓ Subjects for artistic representation. Iconography. Iconology. Details and finishes. Decoration. Ornament
  - NT3 7.05 ↓ Applications of art (in industry, trade, the home, everyday life)
  - NT3 7.06 ↓ Various questions concerning art
  - NT3 7.07 ↓ Occupations and activities associated with the arts and entertainment
  - NT3 7.08 ↓ Characteristic features, forms, combinations etc. (in art, entertainment and sport)
  - NT3 7.091 ↓ Performance, presentation (in original medium)
- NT2 71 ↓ Physical planning. Regional, town and country planning. Landscapes, parks, gardens ►▼
- NT2 72 ↓ Architecture ►▼
  - NT3 72.01/.05 ↓ Special auxiliary subdivision for architecture ►▼
    - NT4 72.01 ↓ Theory and philosophy of architecture. Principles of design, proportion, optical effect
    - NT4 72.02 ↓ Technique
    - NT4 72.03 ↓ Periods and phases of architecture. Schools, styles, influences
    - NT4 72.04 ↓ Architectural details and finishes. Decoration. Ornament
    - NT4 72.05 ↓ Parts, spaces and rooms planned for specific uses
  - NT3 721 ↓ Buildings generally
  - NT3 725 ↓ Public, civil, commercial, industrial buildings. Secular architecture generally
  - NT3 726 ↓ Religious, ecclesiastical architecture. Sacred and funerary buildings
  - NT3 727 ↓ Buildings for educational, scientific, cultural purposes
  - NT3 728 ↓ Domestic architecture. Housing. Residential buildings
- NT2 73 ↓ Plastic arts ►▼
  - NT3 730 ↓ Sculpture in general. Statuary
  - NT3 736 ↓ Glyptics. Sigillography
  - NT3 737 ↓ Numismatics
  - NT3 738 ↓ Ceramic arts. Pottery ►▼
    - NT4 738.1 ↓ Porcelain
    - NT4 738.2 ↓ Glazed earthenware
    - NT4 738.3 ↓ Stoneware
    - NT4 738.4 ↓ Enamel (vitreous enamel). Cloisonné. Enamel ornaments
    - NT4 738.5 ↓ Mosaics
    - NT4 738.6 ↓ Terracotta
    - NT4 738.8 ↓ Various ceramic objects
  - NT3 739 ↓ Metal arts ►▼
    - NT4 739.1 ↓ Goldsmith's and silversmith's art
    - NT4 739.2 ↓ Jewellery (metalworking aspects)
- NT2 74 ↓ Drawing. Design. Applied arts and crafts ►▼
  - NT3 741/744 ↓ Drawing ►▼
    - NT4 741 ↓ Drawing in general ►
    - NT4 742 ↓ Perspective in drawing
    - NT4 744 ↓ Linear and geometric drawing. Technical drawing
  - NT3 745/749 ↓ Industrial and domestic arts and crafts. Applied arts ►▼
    - NT4 745 ↓ Decorative handicrafts
    - NT4 746 ↓ Fancy work. Art needlework
    - NT4 747 ↓ Interior decoration
    - NT4 748 ↓ Vitreous arts. Artistic glassware and crystal ware
    - NT4 749 ↓ Artistic furniture, heating and lighting devices
- NT2 75 ↓ Painting
- NT2 76 ↓ Graphic art, printmaking. Graphics ►▼
  - NT3 761 ↓ Relief techniques
  - NT3 762 ↓ Intaglio techniques
  - NT3 763 ↓ Planographic techniques. Lithography (autolithography)
  - NT3 766 ↓ Applied graphic arts. Commercial graphics
- NT2 77 ↓ Photography and similar processes ►▼
  - NT3 77-1/-8 ↓ Special auxiliary numbers for characteristics of photographic machinery, equipment
  - NT3 77.01/.09 ↓ Special auxiliary subdivision for photography ►▼
    - NT4 77.01 ↓ Theory, principles and nature of photographic phenomena
    - NT4 77.02 ↓ Photographic operations
    - NT4 77.03/.08 ↓ Kinds of photography and photograph ►
  - NT3 771 ↓ Photographic equipment, apparatus and materials
  - NT3 772 ↓ Photographic systems, processes (especially those using inorganic substances or physical phenomena)
  - NT3 774 ↓ Photomechanical processes generally
  - NT3 776 ↓ Photolithography. Photographic production of planographic plates
  - NT3 777 ↓ Intaglio and relief processes. Photogravure. Letterpress or relief plates (line and halftone blocks)
  - NT3 778 ↓ Special applications and techniques of photography
- NT2 78 ↓ Music ►▼
  - NT3 78.01 ↓ Theory and philosophy of music
  - NT3 78.02 ↓ Composition of musical works
  - NT3 78.03 ↓ Periods and phases in the history of music. Musical schools, styles and influences
  - NT3 78.04 ↓ Subjects for musical representation. Programme music. Illustrative, descriptive or representational music
  - NT3 78.05 ↓ Applications of music in industry and trade, the home and everyday life
  - NT3 78.06 ↓ Various questions concerning music
  - NT3 78.07 ↓ Occupations and activities associated with music
  - NT3 78.08 ↓ Characteristics, kinds of musical works. Musical forms
  - NT3 78.09 ↓ Types of performance or presentation
  - NT3 780.6 ↓ Musical instruments and accessories
  - NT3 780.7 ↓ Music teaching aids. Other music accessories
  - NT3 781.1 ↓ Scientific theories of music. Mathematical, physical, physiological, psychological bases. Musical acoustics
  - NT3 781.2 ↓ General theory of music
  - NT3 781.4 ↓ Harmony. Counterpoint. Melody
  - NT3 781.6 ↓ General questions of composition and interpretation
  - NT3 781.7 ↓ Theories and forms of national music (of various countries or peoples)
  - NT3 781.8 ↓ Theories and forms of the music of antiquity
  - NT3 782/785 ↓ Kinds of music ►▼
    - NT4 782 ↓ Dramatic music. Opera
    - NT4 783 ↓ Church music. Sacred music. Religious music
    - NT4 784 ↓ Vocal music ►
    - NT4 785 ↓ Instrumental music. Symphonic music. Grouping of instruments. Ensemble music ►
- NT2 79 ↓ Recreation. Entertainment. Games. Sport ►▼
  - NT3 791 ↓ Cinema. Films (motion pictures) ►▼
    - NT4 791-2/-5 ↓ Special auxiliary subdivision for cinema, films ►
    - NT4 791.1 ↓ Principal stages of cinema development
    - NT4 791.2 ↓ Genre, subject, style of film
    - NT4 791.3 ↓ Aesthetics and film
    - NT4 791.4 ↓ Society and film
    - NT4 791.5 ↓ Education and film
    - NT4 791.6 ↓ Film as industry
  - NT3 792 ↓ Theatre. Stagecraft. Dramatic performances ►▼
    - NT4 792.2 ↓ Spoken drama. Plays
    - NT4 792.5 ↓ Musical productions
    - NT4 792.7 ↓ Variety. Vaudeville. Music hall. Cabaret. Revues. Pantomimes
    - NT4 792.8 ↓ Presentations of art of movement. Choreography
    - NT4 792.9 ↓ Special kinds of theatre
  - NT3 793 ↓ Social entertainments and recreations. Art of movement. Dance ►▼
    - NT4 793.2 ↓ Particular social recreations, requiring preparations
    - NT4 793.3 ↓ Art of movement. Dance
    - NT4 793.5/.7 ↓ Parlour games. Party games ►
    - NT4 793.8 ↓ Scientific recreations. Conjuring. Sleight of hand. Illusionism. Magic tricks
  - NT3 794 ↓ Board and table games (of thought, skill and chance) ►▼
    - NT4 794.1 ↓ Chess
    - NT4 794.2 ↓ Minor board games not dependent on chance
    - NT4 794.3 ↓ Table games with pieces or counters and an element of chance
    - NT4 794.4 ↓ Card games
    - NT4 794.5 ↓ Pattern games or puzzles requiring patience or dexterity
    - NT4 794.8 ↓ Minor aiming games. Children's miniature games
    - NT4 794.9 ↓ Games of pure chance
  - NT3 796 ↓ Sport. Games. Physical exercises ►▼
    - NT4 796.01/.09 ↓ Special auxiliary subdivision for sport, games, physical exercise ►
    - NT4 796.1 ↓ Outdoor games and recreation
    - NT4 796.2 ↓ Games of motion and skill with special equipment
    - NT4 796.3 ↓ Ball games ►
    - NT4 796.4 ↓ Gymnastics. Acrobatics. Athletics
    - NT4 796.5 ↓ Touring. Walking. Mountaineering. Orientation sports. Camping
    - NT4 796.6 ↓ Wheel sports. Cycling. Roller sports
    - NT4 796.7 ↓ Motoring. Motorcycling
    - NT4 796.8 ↓ Combat sports. Self-defence sports. Heavy athletics. Trials of strength
    - NT4 796.9 ↓ Winter sports. Ice games. Skiing. Sledging
  - NT3 797 ↓ Water sports. Aerial sports ►▼
    - NT4 797.1 ↓ Watercraft sports. Boating
    - NT4 797.2 ↓ Swimming. Diving. Aquatic games
    - NT4 797.5 ↓ Aerial sports
  - NT3 798 ↓ Riding and driving. Horse and other animal sports ►▼
    - NT4 798.2 ↓ Riding
    - NT4 798.4 ↓ Horse racing. Mounted racing
    - NT4 798.6 ↓ Driving with horses. Coaching, carriage-driving. Trotting
    - NT4 798.8 ↓ Canine sports. Dog racing etc.
    - NT4 798.9 ↓ Other animal contests, e.g. with birds
  - NT3 799 ↓ Sport fishing. Sport hunting. Shooting and target sports
NT1 8 ↓ LANGUAGE. LINGUISTICS. LITERATURE ►▼
- NT2 80 ↓ General questions relating to both linguistics and literature. Philology ►▼
  - NT3 801 ↓ Prosody. Auxiliary sciences and sources of philology ►▼
    - NT4 801.6 ↓ Prosody: metre, rhythm, rhyme and verse pattern
    - NT4 801.7 ↓ Auxiliary sciences and studies of philology
    - NT4 801.8 ↓ Sources of linguistics and philology. Collections of texts
  - NT3 808 ↓ Rhetoric. The effective use of language ►▼
    - NT4 808.1 ↓ Authorship. Literary activity and technique
    - NT4 808.2 ↓ Editing. Adapting and arranging copy for publication
    - NT4 808.5 ↓ Rhetoric of speech. Art or technique of oral expression
- NT2 81 ↓ Linguistics and languages ►▼
  - NT3 81-11 ↓ Schools and trends in linguistics
  - NT3 81-13 ↓ Methodology of linguistics. Methods and means
  - NT3 811 ↓ Languages ►▼
    - NT4 811.1/.9 ↓ All languages natural or artificial ►
  - NT3 81`01/`08 ↓ Special auxiliary numbers for origins and periods of languages ►▼
    - NT4 81`01 ↓ Old period. Archaic period
    - NT4 81`02 ↓ Classical period
    - NT4 81`04 ↓ Middle period
    - NT4 81`06 ↓ Modern period
    - NT4 81`08 ↓ Revived language
  - NT3 81`1/`4 ↓ Special auxiliary subdivision for subject fields and facets of linguistics and languages ►▼
    - NT4 81`1 ↓ General linguistics
    - NT4 81`2 ↓ Theory of signs. Theory of translation. Standardization. Usage. Geographical linguistics ►
    - NT4 81`3 ↓ Mathematical and applied linguistics. Phonetics. Graphemics. Grammar. Semantics. Stylistics ►
    - NT4 81`4 ↓ Text linguistics, Discourse analysis. Typological linguistics ►
- NT2 82 ↓ Literature ►▼
  - NT3 82-1/-9 ↓ Special auxiliary subdivision for literary forms, genres ►▼
    - NT4 82-1 ↓ Poetry. Poems. Verse
    - NT4 82-2 ↓ Drama. Plays
    - NT4 82-3 ↓ Fiction. Prose narrative ►
    - NT4 82-4 ↓ Essays
    - NT4 82-5 ↓ Oratory. Speeches
    - NT4 82-6 ↓ Letters. Art of letter-writing. Correspondence. Genuine letters. Other works in epistolary form
    - NT4 82-7 ↓ Prose satire. Humour, epigram, parody etc.
    - NT4 82-8 ↓ Miscellanea. Polygraphies. Selections
    - NT4 82-9 ↓ Various other literary forms ►
  - NT3 82.02/.09 ↓ Special auxiliary subdivision for theory, study and technique of literature ►▼
    - NT4 82.02 ↓ Literary schools, trends and movements
    - NT4 82.09 ↓ Literary criticism. Literary studies ►
  - NT3 821 ↓ Literatures of individual languages and language families ►▼
    - NT4 821.1/.2 ↓ Indo-European literature ►
    - NT4 821.3 ↓ Literature of Caucasian languages. Literature of dead languages of unknown affiliation ►
    - NT4 821.4 ↓ Literature of Afro-Asiatic, Nilo-Saharan, Congo-Kordofanian, Khoisan languages
    - NT4 821.5 ↓ Literature of Ural-Altaic, Japanese, Korean, Ainu, Palaeo-Siberian, Eskimo-Aleut, Dravidian languages, Sino-Tibetan languages ►
    - NT4 821.6 ↓ Literature of Austro-Asiatic languages. Austronesian literature
    - NT4 821.7 ↓ Literature of Indo-Pacific (non-Austronesian) languages. Australian (Aboriginal) literature
    - NT4 821.8 ↓ Literature of American indigenous languages (Amerindian literatures)
    - NT4 821.9 ↓ Literature in artificial languages
NT1 9 ↓ GEOGRAPHY. BIOGRAPHY. HISTORY ►▼
- NT2 902/908 ↓ Archaeology. Prehistory. Cultural remains. Area studies ►▼
  - NT3 902 ↓ Archaeology
  - NT3 903 ↓ Prehistory. Prehistoric remains, artefacts, antiquities
  - NT3 904 ↓ Cultural remains of historical times
  - NT3 908 ↓ Area studies. Study of a locality
- NT2 91 ↓ Geography. Exploration of the Earth and of individual countries. Travel. Regional geography ►▼
  - NT3 910 ↓ General questions. Geography as a science. Exploration. Travel ►▼
    - NT4 910.1 ↓ Science of geography. Methodology (theory, systems, methods)
    - NT4 910.2 ↓ Kinds and techniques of geographical exploration
    - NT4 910.3 ↓ Exploration of particular geographical features
    - NT4 910.4 ↓ Voyages of discovery
  - NT3 911 ↓ General geography. Science of geographical factors (systematic geography). Theoretical geography ►▼
    - NT4 911.2 ↓ Physical geography
    - NT4 911.3 ↓ Human geography (cultural geography). Geography of cultural factors
    - NT4 911.5/.9 ↓ Theoretical geography ►
  - NT3 912 ↓ Nonliterary, nontextual representations of a region
  - NT3 913 ↓ Regional geography
- NT2 92 ↓ Biographical studies. Genealogy. Heraldry. Flags ►▼
  - NT3 929 ↓ Biographical studies
  - NT3 929.5 ↓ Genealogy
  - NT3 929.6 ↓ Heraldry
  - NT3 929.7 ↓ Nobility. Titles. Peerage
  - NT3 929.9 ↓ Flags. Standards. Banners
- NT2 93/94 ↓ History ►▼
  - NT3 930 ↓ Science of history. Historiography ►▼
    - NT4 930.1 ↓ History as a science
    - NT4 930.2 ↓ Methodology of history. Ancillary historical sciences ►
    - NT4 930.85 ↓ History of civilization. Cultural history
  - NT3 94 ↓ General history

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ExactMatch: http://udcdata.info/078887

Date of creation

06-Mar-2019

Modified

06-Mar-2019

Accepted term

06-Mar-2019

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