11Thomas Cooper to Thomas Jefferson, 7 December 1817 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
12Thomas Cooper to Thomas Jefferson, 19 April 1818 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
13John Vaughan to Thomas Jefferson, 14 May 1818 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
14Enclosure: Thomas Cooper’s Geology Syllabus [ca. 24 June 1818] (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
15Thomas Jefferson to Thomas Cooper, 4 October 1818 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
16John Vaughan to Thomas Jefferson, 19 June 1819 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
17Thomas Cooper to Thomas Jefferson, 21 June 1819 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
18Thomas Jefferson to James Madison, 7 July 1819 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
19Thomas Jefferson to James Breckinridge, Chapman Johnson, and Robert Taylor, 8 July 1819 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]
20Enclosure: Report on Thomas Cooper’s Collection of Minerals, 9 July 1819 (Jefferson Papers)
mineralogy; and T. Cooper [index entry]