1Samuel Carr to Thomas Jefferson, 1 February 1819 (Jefferson Papers)
Cosby, Dabney; as brick-mason for University of Virginia [index entry]
2Archibald Stuart to Thomas Jefferson, 24 March 1821 (Jefferson Papers)
Cosby, Dabney; as brick mason for University of Virginia [index entry]
3Arthur S. Brockenbrough to Thomas Jefferson, 9 December 1821 (Jefferson Papers)
Cosby, Dabney; as brick mason for University of Virginia [index entry]
4Dabney Cosby to Thomas Jefferson, 28 February 1822 (Jefferson Papers)
Cosby, Dabney; as brick mason for University of Virginia [index entry]