1Thomas Cooper to Thomas Jefferson, 16 September 1817 (Jefferson Papers)
Cooper, Thomas; library and scientific apparatus of [index entry]
2Thomas Cooper to Thomas Jefferson, 19 September 1817 (Jefferson Papers)
Cooper, Thomas; library and scientific apparatus of [index entry]
3Thomas Cooper to Thomas Jefferson, 24 October 1817 (Jefferson Papers)
Cooper, Thomas; library and scientific apparatus of [index entry]