11Thomas Jefferson to William Duane, 22 January 1813 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy) [index entry]
12William Duane to Thomas Jefferson, 14 February 1813 [postscript, 9 March 1813] (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy) [index entry]
13Thomas Jefferson to William Duane, 4 April 1813 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy) [index entry]
14Destutt de Tracy to Thomas Jefferson, 29 August 1813 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy) [index entry]
15William Duane to Thomas Jefferson, 26 September 1813 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy) [index entry]
16Thomas Jefferson to Destutt de Tracy, 28 November 1813 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy); manuscript of, sent to TJ [index entry]
17Thomas Jefferson to David Bailie Warden, 29 December 1813 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy); manuscript of, sent to TJ [index entry]
18Thomas Jefferson to Thomas Cooper, 16 January 1814 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy); TJ sends to T. Cooper [index entry]
19Thomas Jefferson to William Duane, 3 July 1814 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy); TJ on [index entry]
20Destutt de Tracy to Thomas Jefferson, [14] July 1814 (Jefferson Papers)
Élémens d’Idéologie (Destutt de Tracy); manuscript of, sent to TJ [index entry]