Columbia subject headings:
Calhoun, John C. (John Caldwell), 1782-1850.
Harvard subject headings:
Calhoun, John C. (John Caldwell), 1782-1850
Legislators--United States--Biography
South Carolina--Politics and government--1775-1865
Statesmen--United States--Biography
Vice-presidents--United States--Biography
Princeton subject headings:
Calhoun, John C. (John Caldwell), 1782-1850.