Subjects
- California4
- Public Health4
- Public Health Administration4
- Russia4
- Scotland4
- Yellow Fever -- etiology4
- Cholera -- drug therapy3
- Cholera -- etiology3
- Cholera -- therapy3
- Egypt3
- Europe3
- Geography3
- History, 17th Century3
- Homeopathy3
- Influenza, Human3
- Jamaica -- epidemiology3
- Louisiana3
- Malta3
- Medicine, Traditional3
- Military Personnel3