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Library of Congress Subject Areas (429)
- B Philosophy. Psychology. Religion (16)
  - BC Logic (2)
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- G Geography. Anthropology. Recreation (1)
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- H Social Sciences (38)
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- L Education (32)
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- Q Science (223)
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- R Medicine (294)
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  - RA Public aspects of medicine (37)
    - RA0421 Public health. Hygiene. Preventive Medicine (20)
  - RL Dermatology (16)
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  - RS Pharmacy and materia medica (130)
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  - RV Botanic, Thomsonian, and eclectic medicine (96)
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- S Agriculture (3)
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