21Peter S. Du Ponceau to Thomas Jefferson, 5 December 1817 (Jefferson Papers)
Lewis, Meriwether; papers of [index entry]
22Thomas Jefferson to Peter S. Du Ponceau, 30 December 1817 (Jefferson Papers)
Lewis, Meriwether; papers of [index entry]
23Peter S. Du Ponceau to Thomas Jefferson, 6 January 1818 (Jefferson Papers)
Lewis, Meriwether; papers of [index entry]
24Peter S. Du Ponceau to Thomas Jefferson, 14 February 1818 (Jefferson Papers)
Lewis, Meriwether; papers of [index entry]
25Enclosure: Nicholas Biddle to William Tilghman, 6 April 1818 (Jefferson Papers)
Lewis, Meriwether; papers of [index entry]
26Peter S. Du Ponceau to Thomas Jefferson, 14 April 1818 (Jefferson Papers)
Lewis, Meriwether; papers of [index entry]