Medical inquiries and observations

["Bloodletting" "Cholera" "Early works to 1800" "Fever" "Geriatrics" "Gout" "History" "Influenza" "Insanity" "Insanity (Law)" "Malaria" "Measles" "Medicine" "Philadelphia 1794" "Philadelphia 1797" "Phlebotomy" "Preventive inoculation" "Psychiatry" "Rabies" "Smallpox" "Vaccination" "Yellow fever" "Indians of North America" "Health aspects" "Practice" "Medicine - collected works" "Mental illness" "Disease Outbreaks"]