1Thomas Cooper to Thomas Jefferson, 13 [March] 1819 (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]
2Minutes of University of Virginia Board of Visitors, 29 March 1819 (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]
3William Short to Thomas Jefferson, 25 May 1819 (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]
4John Vaughan to Thomas Jefferson, 19 June 1819 (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]
5Enclosure: Report on Thomas Cooper’s Collection of Minerals, 9 July 1819 (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]
6Enclosure: Extract from Henry William DeSaussure to John Vaughan, [2 May 1820] (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]
7John Vaughan to Thomas Jefferson, 23 June 1820 (Jefferson Papers)
Vaughan, John (1756–1841); and T. Cooper [index entry]