See Calhoun's works (ed. by R. K. Crallé, 6 vol., 1851–55); his papers (ed. by R. L. Meriwether and W. E. Hemphill, Vol. I–VII, 1959–73); biographies by C. M. Wiltse (3 vol., 1944–51), and G. M. Capers (1968).
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.