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Library of Congress Subject Areas (2735)
- A General Works (28)
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  - AM Museums (General). Collectors and collecting (General) (5)
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- B Philosophy. Psychology. Religion (112)
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- D History General and Old World (60)
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- E History America (4)
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- G Geography. Anthropology. Recreation (45)
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- M Music and Books on Music (395)
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- N Fine Arts (542)
  - N Visual arts (General) For photography, see TR (331)
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- P Language and Literature (161)
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- Q Science (284)
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- R Medicine (184)
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- S Agriculture (40)
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- T Technology (308)
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  - TR Photography (191)
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- U Military Science (1)
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- Z Bibliography. Library Science. Information Resources (45)
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