Dewey Decimal Classification (DDC)

  1. Early church & Eastern churches
  2. Earth (Astronomical geography)
  3. Earth sciences
  4. Earth sciences & geology
  5. Earth sciences of Africa
  6. Earth sciences of Asia
  7. Earth sciences of Europe
  8. Earth sciences of North America
  9. Earth sciences of other areas
  10. Earth sciences of South America
  11. East Indo-European & Celtic languages
  12. East Indo-European & Celtic literatures
  13. Eastern Europe; Russia
  14. Eastern philosophy
  15. Ecclesiology
  16. Eclecticism, liberalism & traditionalism
  17. Ecology
  18. Economic geology
  19. Economics
  20. Economics
  21. Economics of land & energy
  22. Education
  23. Education
  24. Education, research & related topics
  25. Education, research & related topics
  26. Education, research & related topics
  27. Education, research & related topics
  28. Education, research & related topics
  29. Education, research & related topics
  30. Education, research & related topics
  31. Egypt & Sudan
  32. Egypt to 640
  33. Elastomers & elastomer products
  34. Electricity & electronics
  35. Elementary education
  36. Encyclopedias & books of facts
  37. Encyclopedias in American English
  38. Encyclopedias in English
  39. Encyclopedias in French, Occitan & Catalan
  40. Encyclopedias in Italian, Romanian & related languages
  41. Encyclopedias in other Germanic languages
  42. Encyclopedias in other languages
  43. Encyclopedias in Scandinavian languages
  44. Encyclopedias in Slavic languages
  45. Encyclopedias in Spanish & Portuguese
  46. Engineering
  47. Engineering & allied operations
  48. Engineering of railroads & roads
  49. England & Wales
  50. English & Old English
  51. English & Old English languages
  52. English & Old English literatures
  53. English & Old English literatures
  54. English dictionaries
  55. English drama
  56. English essays
  57. English etymology
  58. English fiction
  59. English grammar
  60. English humor & satire
  61. English language variations
  62. English letters
  63. English miscellaneous writings
  64. English poetry
  65. English speeches
  66. English writing system & phonology
  67. Ensembles with one instrument per part
  68. Ephemerides
  69. Epicurean philosophy
  70. Epistemology
  71. Epistemology
  72. Epistemology, causation & humankind
  73. Epistles
  74. Equestrian sports & animal racing
  75. Eschatology
  76. Etching & drypoint
  77. Ethical systems
  78. Ethics
  79. Ethics
  80. Ethics of consumption
  81. Ethics of family relationships
  82. Ethics of recreation & leisure
  83. Ethics of sex & reproduction
  84. Ethics of social relations
  85. Ethiopia & Eritrea
  86. Etiquette (Manners)
  87. Etymology
  88. Europe north & west of Italy to ca. 499
  89. Evangelistic writings for individuals
  90. Existence, knowability & attributes of God
  91. Explosives, fuels & related products
  92. Extraterrestrial worlds