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Library of Congress Subject Areas (12960)
- A General Works (45)
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  - AM Museums (General). Collectors and collecting (General) (7)
  - AS Academies and learned societies (General) (1)
- B Philosophy. Psychology. Religion (1353)
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- C Auxiliary Sciences of History (68)
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- D History General and Old World (156)
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- G Geography. Anthropology. Recreation (210)
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- H Social Sciences (2593)
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- L Education (982)
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- M Music and Books on Music (72)
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- N Fine Arts (126)
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- Q Science (3777)
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- R Medicine (968)
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- S Agriculture (77)
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- T Technology (2273)
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- U Military Science (32)
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- Z Bibliography. Library Science. Information Resources (144)
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