1Thomas Cooper to Thomas Jefferson, 16 September 1817 (Jefferson Papers)
schools and colleges; Dickinson College [index entry]
2Thomas Cooper to Thomas Jefferson, 24 October 1817 (Jefferson Papers)
schools and colleges; Dickinson College [index entry]
3Thomas Cooper to Thomas Jefferson, 13 [March] 1819 (Jefferson Papers)
schools and colleges; Dickinson College [index entry]
4Thomas Cooper to Thomas Jefferson, 1 March 1820 (Jefferson Papers)
schools and colleges; Dickinson College [index entry]
5Thomas Jefferson to John M. Mason, 16 February 1822 (Jefferson Papers)
schools and colleges; Dickinson College [index entry]