1Thomas Jefferson to Caspar Wistar, 29 May 1812 (Jefferson Papers)
mastodon (mammoth, Ohio); G. Cuvier on [index entry]
2Thomas Jefferson to Francis Adrian Van der Kemp, 17 January 1813 (Jefferson Papers)
mastodon (mammoth, Ohio); G. Cuvier on [index entry]
3George Ticknor’s Account of a Visit to Monticello, [4–7 February 1815] (Jefferson Papers)
mastodon (mammoth, Ohio); G. Cuvier on [index entry]
4Thomas Jefferson to James W. Wallace, 30 October 1817 (Jefferson Papers)
mastodon (mammoth, Ohio); G. Cuvier on [index entry]