1Thomas Jefferson to Mathew Carey, 10 May 1818 (Jefferson Papers)
De Viris Illustribus Urbis Romæ (J. Hardie) [index entry]
2Thomas Jefferson to Mathew Carey, 21 June 1818 (Jefferson Papers)
De Viris Illustribus Urbis Romæ (J. Hardie) [index entry]