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Subjects
- United States756
- Medicine548
- American Civil War442
- Military Personnel362
- Physiological Phenomena209
- Homeopathy205
- Physicians204
- United States. Army.195
- Hygiene191
- Cholera180
- Materia Medica167
- Surgical Procedures, Operative159
- Clinical Medicine149
- Military Medicine139
- Therapeutics123
- Disease Outbreaks104
- Anatomy94
- General Surgery94
- Military Hygiene86
- Confederate States of America81