Columbia subject headings:
Harvard subject headings:
Cabinet officers--United States--Biography
Calhoun, John C. (John Caldwell), 1782-1850
Legislators--United States--Biography
United States--Politics and government--1815-1861.
United States. Congress. Senate--Biography.
Princeton subject headings:
Calhoun, John C. (John Caldwell), 1782-1850--Political and social views.
Legislators--United States--Biography.
United States--Politics and government--1815-1861.
United States. Congress. Senate--Biography.