* Ford Jr., Lacy K. "Origins of Southern Radicalism: The South Carolina Upcountry, 1800–1860" (1988)* Gutzman, Kevin R. C., "Paul to Jeremiah: Calhoun's Abandonment of Nationalism," "The Journal of Libertarian Studies" 16 (2002), 3–33.
" (2004) ISBN 0-8262-1548-3* Ford Jr., Lacy K. "Origins of Southern Radicalism: The South Carolina Upcountry, 1800—1860" (1988)* Ford Jr., Lacy K. "Republican Ideology in a Slave Society: The Political Economy of John C. Calhoun, "The Journal of Southern History.