Columbia subject headings:
Angina maligna--Early works to 1800.
Fever--Early works to 1800.
Pneumonia--Early works to 1800.
Smallpox--Early works to 1800.
Harvard subject headings:
Angina maligna--Early works to 1800.
Fever--Early works to 1800
Pneumonia--Early works to 1800.
Smallpox--Early works to 1800
Princeton subject headings: