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Library of Congress Subject Areas (9624)
- A General Works (67)
  - AC Collections. Series. Collected works (21)
  - AI Indexes (General) (36)
  - AM Museums (General). Collectors and collecting (General) (1)
  - AS Academies and learned societies (General) (11)
- B Philosophy. Psychology. Religion (313)
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- C Auxiliary Sciences of History (1)
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- D History General and Old World (1)
  - D History (General) (1)
- G Geography. Anthropology. Recreation (4)
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- H Social Sciences (191)
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- Q Science (445)
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- R Medicine (8536)
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  - RA Public aspects of medicine (377)
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    - RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine (4)
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  - RH Basic Medical Sciences (269)
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- S Agriculture (8)
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