Subjects
- Politics2
- Railroads2
- Rush, Benjamin, 1746-1813.2
- Schools, Medical -- organization & administration2
- Social Conditions2
- Accidents -- legislation & jurisprudence1
- Adolescent1
- Adolescent Development1
- African Americans1
- Agriculture -- economics1
- American Academy of Dental Science (Boston, Mass.)1
- American Civil War1
- American Dermatological Association.1
- American Gynecological Society.1
- American Medical Association. Annual Meeting1
- Anesthetics, Inhalation -- adverse effects1
- Anti-Bacterial Agents -- therapeutic use1
- Appendicitis1
- Association of Military Surgeons of the National Guard of the United States.1
- Beaumont, William, 1785-1853.1