Columbia subject headings:
Harvard subject headings:
Archivists--New York (State)--Biography.
Canada--History--Rebellion, 1837-1838--Biography.
Historians--New York (State)--Biography.
Journalists--Biography
O'Callaghan, E. B. (Edmund Bailey), 1797-1880.
Physicians--Biography
Princeton subject headings:
Archivists--New York (State)--Biography.
Canada--History--Rebellion, 1837-1838--Biography.
Historians--New York (State)--Biography.
Journalists--Biography.
O'Callaghan, E. B. (Edmund Bailey), 1797-1880.
Physicians--Biography.