1Benjamin Smith Barton to Thomas Jefferson, 13 July 1810 (Jefferson Papers)
mammoth; compared to elephants [index entry]
2Thomas Jefferson to Caspar Wistar, 29 May 1812 (Jefferson Papers)
mammoth; compared to elephants [index entry]
3Thomas Jefferson to Francis Adrian Van der Kemp, 17 January 1813 (Jefferson Papers)
mammoth; compared to elephants [index entry]
4Montlezun’s Account of a Visit to Monticello, 20 September 1816 (Jefferson Papers)
mammoth; compared to elephants [index entry]
5James W. Wallace to Thomas Jefferson, 10 October 1817 (Jefferson Papers)
mammoth; compared to elephants [index entry]
6Thomas Jefferson to James W. Wallace, 30 October 1817 (Jefferson Papers)
mammoth; compared to elephants [index entry]