Thema – the subject category scheme for a global book trade

  1. Na-Dene & Athapascan (Athabascan) languages
  2. Nagaland
  3. Nagano
  4. Nagasaki
  5. Nairobi
  6. Naive style
  7. Namibia
  8. Namur
  9. Namur (Province)
  10. Nancy
  11. Nanosciences
  12. Nanotechnology
  13. Nanterre
  14. Nantes
  15. Nantua
  16. Nantucket
  17. Napa & Sonoma
  18. Naples
  19. Napoleonic Empire
  20. Napoleonic War fiction
  21. Nara
  22. Narbonne
  23. Närke
  24. Narrative theme: Coming of age
  25. Narrative theme: Death, grief, loss
  26. Narrative theme: Environmental issues
  27. Narrative theme: Interior life
  28. Narrative theme: Love & relationships
  29. Narrative theme: Politics
  30. Narrative theme: Sense of place
  31. Narrative theme: Social issues
  32. Narvik
  33. Nashville
  34. Nassau
  35. National Capital Territory of Delhi
  36. National liberation & independence, post-colonialism
  37. National or regional costume
  38. National parks & nature reserves: general interest
  39. National, regional & ethnic cuisine
  40. Nationalism
  41. NATO
  42. Natural & wild gardening
  43. Natural disasters
  44. Natural language & machine translation
  45. Naturalism
  46. Nature & existence of God
  47. Nature & the natural world: general interest
  48. Nature conservation law
  49. Nature in art
  50. Nature therapy
  51. Nauru
  52. Naval & marine charts
  53. Naval forces & warfare
  54. Navarre
  55. Navarre (Lower)
  56. Navarre, Chartered Community of
  57. Navigation & seamanship
  58. Naxos
  59. Nayarit
  60. Nazarene
  61. Nazca
  62. Nebraska
  63. Needlework & fabric crafts
  64. Negligence
  65. Neo-Classicism
  66. Neo-impressionism
  67. Neonatal medicine
  68. Nepal
  69. Nepali
  70. Neptune
  71. Netball
  72. Netherlands
  73. Network hardware
  74. Network management
  75. Network programming
  76. Network security
  77. Networking packages
  78. Networking standards & protocols
  79. Neuchâtel
  80. Neufchâteau
  81. Neuquén
  82. Neural networks & fuzzy systems
  83. Neuro Linguistic Programming (NLP)
  84. Neuroimaging & neuroanatomy
  85. Neurology & clinical neurophysiology
  86. Neurosciences
  87. Neurosurgery
  88. Nevada
  89. Nevers
  90. New age
  91. New Brunswick
  92. New Brunswick: Fundy National Park
  93. New Brunswick: Greater Fredericton
  94. New Brunswick: Greater Saint John
  95. New Caledonia
  96. New Delhi
  97. New France
  98. New France: Acadia
  99. New France: French Louisiana
  100. New Guinea
  101. New Hampshire
  102. New Jersey
  103. New Mexico
  104. New Orleans
  105. New South Wales
  106. New Testaments
  107. New Valley (Governorate of Egypt)
  108. New Wave
  109. New Year
  110. New York
  111. New York City
  112. New Zealand
  113. Newark
  114. Newcastle
  115. Newfoundland
  116. Newfoundland & Labrador
  117. Newfoundland: Avalon Peninsula
  118. Newfoundland: Avalon Peninsula: St John’s
  119. Newfoundland: Bonavista Peninsula & Terra Nova National Park
  120. Newfoundland: Burin Peninsula
  121. Newfoundland: Great Northern Peninsula
  122. Newfoundland: Northeast Coast
  123. Newfoundland: South Coast
  124. Newfoundland: West Coast & Gros Morne National Park
  125. Newgrange
  126. Newport
  127. News media & journalism
  128. Nérac
  129. Niagara Falls
  130. Niagara Falls (City)
  131. Nicaragua
  132. Nice
  133. Nicosia
  134. Nidwalden / Nidwald / Nidvaldo / Sutsilvania
  135. Nièvre
  136. Niger
  137. Niger river & tributaries
  138. Niger-Congo languages
  139. Nigeria
  140. Niigata
  141. Nijmegen
  142. Nile river & tributaries
  143. Nile Valley and Delta
  144. Nilo-Saharan & Chari-Nile (Macrosudanic) languages
  145. Nîmes
  146. Ningxia
  147. Niort
  148. Nitra Region
  149. Niue
  150. Nizhny Novgorod
  151. Nogent-le-Rotrou
  152. Nogent-sur-Marne
  153. Nogent-sur-Seine
  154. Non-Euclidean geometry
  155. Non-governmental organizations (NGOs)
  156. Non-graphic art forms
  157. Non-profitmaking organizations
  158. Non-Semitic Afro-Asiatic languages
  159. Nonlinear science
  160. Nontron
  161. Nord
  162. Nord-Pas-de-Calais
  163. Nord-Trøndelag
  164. Nordic skiing
  165. Nordland
  166. Norfolk
  167. Norfolk Broads
  168. Norman Conquest & Norman period (1066–1154)
  169. Norman Ireland (1169 to c 1350)
  170. Normandy
  171. Normandy Beaches
  172. Normandy: Places of interest
  173. Norrbotten
  174. Norrland
  175. Norse religion & mythology
  176. Norte (Northern Portugal)
  177. Norte de Santander
  178. North & Central American indigenous languages
  179. North & North East England
  180. North & North East England: Places of interest
  181. North & South Downs, the Weald
  182. North Aegean Islands
  183. North Africa
  184. North America (USA & Canada)
  185. North America: Great Plains
  186. North America: mountains, hills, plains, coastlines etc
  187. North America: New France (1534–1763)
  188. North America: physical features
  189. North America: rivers, lakes etc
  190. North Atlantic
  191. North Atlantic islands
  192. North Brabant
  193. North Carolina
  194. North China
  195. North Dakota
  196. North East India
  197. North Holland
  198. North Hungarian Mountains
  199. North Korea
  200. North Pacific