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Library of Congress Subject Areas (8292)
- A General Works (2242)
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  - AI Indexes (General) (1955)
  - AM Museums (General). Collectors and collecting (General) (7)
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- B Philosophy. Psychology. Religion (241)
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- D History General and Old World (1)
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- G Geography. Anthropology. Recreation (159)
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    - HD28 Management. Industrial Management (78)
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- L Education (269)
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- Q Science (571)
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- R Medicine (6094)
  - R Medicine (General) (3371)
  - RA Public aspects of medicine (854)
    - RA0421 Public health. Hygiene. Preventive Medicine (528)
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    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (219)
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- Z Bibliography. Library Science. Information Resources (110)
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