1Thomas Jefferson to Joseph C. Cabell, 27 June 1810 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
2Thomas Jefferson to Thomas Cooper, 10 October 1817 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
3Thomas Jefferson to Thomas Cooper, 6 August 1810 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
4Thomas Cooper to Thomas Jefferson, 30 September 1817 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
5Thomas Cooper to Thomas Jefferson, 10 May 1810 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
6Thomas Cooper to Thomas Jefferson, 7 December 1817 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
7Thomas Cooper to Thomas Jefferson, 19 April 1818 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
8Thomas Cooper to Thomas Jefferson, 14 September 1810 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
9Thomas Cooper to Thomas Jefferson, 24 October 1817 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]
10John Vaughan to Thomas Jefferson, 14 May 1818 (Jefferson Papers)
Cooper, Thomas; and mineralogy [index entry]