Subjects
- Communicable Disease Control -- History1
- Communicable diseases1
- Diaries1
- Disease Transmission, Infectious -- History1
- Epidemics1
- International trade1
- Medicine -- Study and teaching -- Pennsylvania -- Philadelphia1
- Mental illness -- Treatment -- United States -- History -- 19th century1
- Physicians -- Records and correspondence.1
- Yellow Fever -- History1
- Yellow Fever -- Pennsylvania -- Philadelphia1