Columbia subject headings:
Columbia College (New York, N.Y.)--Dissertations.
Epidemics--New York (State)--New York.
Yellow fever--New York (State)--New York.
Harvard subject headings:
Columbia College (New York, N.Y.)--Dissertations.
Epidemics--New York (State)--New York.
Yellow fever--New York (State)--New York.
Princeton subject headings: