Subjects
- United States2,740
- American Civil War1,441
- Military Personnel1,156
- Medicine1,046
- United States. Army998
- Homeopathy798
- Physicians784
- New York677
- Philadelphia530
- Hygiene479
- New York City470
- Massachusetts458
- Materia Medica449
- Physiological Phenomena442
- Child398
- Therapeutics350
- Education, Medical345
- Surgical Procedures, Operative343
- Anatomy335
- Boston335
