1Thomas Cooper to Thomas Jefferson, 12 March 1821 (Jefferson Papers)
Vanuxem, Lardner Clark; seeks professorship [index entry]
2Peter S. Du Ponceau to Thomas Jefferson, 23 March 1821 (Jefferson Papers)
Vanuxem, Lardner Clark; seeks professorship [index entry]
3John Vaughan to Thomas Jefferson, 24 March 1821 (Jefferson Papers)
Vanuxem, Lardner Clark; seeks professorship [index entry]
4Thomas Jefferson to Peter S. Du Ponceau, 31 March 1821 (Jefferson Papers)
Vanuxem, Lardner Clark; seeks professorship [index entry]
5Thomas Jefferson to Thomas Cooper, 7 April 1821 (Jefferson Papers)
Vanuxem, Lardner Clark; seeks professorship [index entry]
6Thomas Jefferson to John Vaughan, 8 April 1821 (Jefferson Papers)
Vanuxem, Lardner Clark; seeks professorship [index entry]