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Library of Congress Subject Areas (10265)
- A General Works (909)
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  - AS Academies and learned societies (General) (7)
  - Food and Nutrition (901)
    - Food (381)
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- B Philosophy. Psychology. Religion (23)
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- G Geography. Anthropology. Recreation (1181)
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- H Social Sciences (32)
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- Q Science (1077)
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- R Medicine (6384)
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- T Technology (590)
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