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Subjects
- American Civil War204
- United States194
- United States. Army155
- Military Personnel154
- Personnel Management51
- Organization and Administration25
- Homeopathy24
- Physicians20
- Prisoners of War16
- Wounds, Gunshot14
- Cholera12
- Materia Medica11
- Military Medicine11
- Personnel Downsizing10
- Medicine9
- Massachusetts8
- Transportation8
- Commerce7
- Equipment and Supplies7
- New York City7