11Joseph C. Cabell to Thomas Jefferson, 22 February 1819 (Jefferson Papers)
Virginia, University of; Construction and Grounds; site of [index entry]
12Joseph C. Cabell to Thomas Jefferson, 2 November 1819 (Jefferson Papers)
Virginia, University of; Construction and Grounds; site of [index entry]
13Thomas Jefferson to John A. Robertson, 29 December 1820 (Jefferson Papers)
Virginia, University of; Construction and Grounds; site of [index entry]