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Library of Congress Subject Areas (6362)
- A General Works (32)
  - AC Collections. Series. Collected works (15)
  - AI Indexes (General) (16)
  - AM Museums (General). Collectors and collecting (General) (1)
  - AS Academies and learned societies (General) (2)
- B Philosophy. Psychology. Religion (220)
  - B Philosophy (General) (12)
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  - BL Religion (188)
- C Auxiliary Sciences of History (1)
  - C Auxiliary sciences of history (General) (1)
- D History General and Old World (1)
  - D History (General) (1)
- G Geography. Anthropology. Recreation (3)
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- H Social Sciences (68)
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- L Education (122)
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    - LC5201 Education extension. Adult education. Continuing education (2)
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- Q Science (280)
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  - QM Human anatomy (62)
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- R Medicine (5676)
  - R Medicine (General) (1303)
  - RA Public aspects of medicine (242)
    - RA0421 Public health. Hygiene. Preventive Medicine (197)
    - RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine (1)
  - RB Pathology (17)
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    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (11)
    - RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry (14)
    - RC1200 Sports Medicine (5)
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  - RZ Other systems of medicine (108)
  - RH Basic Medical Sciences (209)
    - RH1001 Biochemistry & Genetics (183)
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    - RN1004 Health Care Management (259)
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    - RN1007 MPH (26)
  - RP Paramedical (676)
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    - RP104 Medical emergencies (40)
    - RP105 Biotechnology (196)
  - RQ Parasitology (10)
- S Agriculture (7)
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- T Technology (3)
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  - TD Environmental technology. Sanitary engineering (2)
- Z Bibliography. Library Science. Information Resources (7)
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