1Thomas Cooper to Thomas Jefferson, 16 September 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
2Thomas Cooper to Thomas Jefferson, 19 September 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
3Thomas Cooper to Thomas Jefferson, 24 October 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
4Thomas Cooper to Thomas Jefferson, 20 November 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
5Thomas Cooper to Thomas Jefferson, 6 December 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
6Thomas Cooper to Thomas Jefferson, 23 January 1818 (Jefferson Papers)
Pennsylvania, University of [index entry]
7Thomas Cooper to Thomas Jefferson, 20 February 1818 (Jefferson Papers)
Pennsylvania, University of [index entry]
8Thomas Cooper to Thomas Jefferson, 19 April 1818 (Jefferson Papers)
Pennsylvania, University of [index entry]
9Thomas Cooper to Thomas Jefferson, 24 June 1818 (Jefferson Papers)
Pennsylvania, University of [index entry]
10Enclosure: Thomas Cooper’s Geology Syllabus [ca. 24 June 1818] (Jefferson Papers)
Pennsylvania, University of [index entry]