1John Armstrong to Thomas Jefferson, 2 May 1812 (Jefferson Papers)
Armstrong, John; letters from [index entry]
2John Armstrong to Thomas Jefferson, 1 July 1818 (Jefferson Papers)
Armstrong, John; letters from [index entry]
3John Armstrong to Thomas Jefferson, 26 November 1810 (Jefferson Papers)
Armstrong, John; letters from [index entry]
4John Armstrong to Thomas Jefferson, 6 November 1819 (Jefferson Papers)
Armstrong, John; letters from [index entry]
5John Armstrong to Thomas Jefferson, 11 June 1809 (Jefferson Papers)
Armstrong, John; letters from [index entry]
6John Armstrong to Thomas Jefferson, 1 March 1819 (Jefferson Papers)
Armstrong, John; letters from [index entry]
7John Armstrong to Thomas Jefferson, 4 January 1818 (Jefferson Papers)
Armstrong, John; letters from [index entry]
8John Armstrong to Thomas Jefferson, 19 September 1809 (Jefferson Papers)
Armstrong, John; letters from [index entry]