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Library of Congress Subject Areas (4234)
- A General Works (66)
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  - AS Academies and learned societies (General) (36)
- B Philosophy. Psychology. Religion (46)
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- F History United States, Canada, Latin America (1)
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- G Geography. Anthropology. Recreation (10)
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- K Law (23)
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- L Education (1222)
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- R Medicine (3560)
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- Z Bibliography. Library Science. Information Resources (101)
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