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Library of Congress Subject Areas (340)
- B Philosophy. Psychology. Religion (1)
  - BF Psychology (1)
- L Education (9)
  - L Education (General) (9)
- Q Science (22)
  - Q Science (General) (18)
  - QK Botany (4)
- R Medicine (303)
  - R Medicine (General) (85)
  - RA Public aspects of medicine (45)
    - RA0421 Public health. Hygiene. Preventive Medicine (32)
  - RC Internal medicine (17)
  - RG Gynecology and obstetrics (63)
  - RJ Pediatrics (4)
    - RJ101 Child Health. Child health services (1)
  - RK Dentistry (1)
  - RM Therapeutics. Pharmacology (3)
  - RS Pharmacy and materia medica (6)
  - RT Nursing (70)
  - RV Botanic, Thomsonian, and eclectic medicine (18)
  - RZ Other systems of medicine (5)
- S Agriculture (3)
  - S Agriculture (General) (1)
  - SB Plant culture (2)
  - SD Forestry (1)
- T Technology (6)
  - T Technology (General) (2)
  - TD Environmental technology. Sanitary engineering (4)