1Thomas Jefferson to James Madison, 19 February 1819 (Jefferson Papers)
Preston, James Patton; and University of Virginia [index entry]
2Thomas Jefferson to Thomas Cooper, 3 March 1819 (Jefferson Papers)
Preston, James Patton; and University of Virginia [index entry]
3Thomas Jefferson to James P. Preston, 11 March 1819 (Jefferson Papers)
Preston, James Patton; and University of Virginia [index entry]
4Minutes of University of Virginia Board of Visitors, 29 March 1819 (Jefferson Papers)
Preston, James Patton; and University of Virginia [index entry]
5Thomas Jefferson to James P. Preston, 1 December 1819 (Jefferson Papers)
Preston, James Patton; and University of Virginia [index entry]