1Josef Yznardy to Thomas Jefferson, 3 August 1809 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
2Valentín de Foronda to Thomas Jefferson, 18 October 1809 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
3James Madison to Thomas Jefferson, 30 October 1809 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
4Thomas Jefferson to James Madison, 6 November 1809 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
5Thomas Jefferson to James Madison, 26 November 1809 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
6James Monroe to Thomas Jefferson, [22] January 1816 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
7James Monroe to Thomas Jefferson, 27 February 1816 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
8James Monroe to Thomas Jefferson, 22 July 1818 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
9Thomas Jefferson to James Monroe, 18 January 1819 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]
10James Monroe to Thomas Jefferson, 5 October 1819 (Jefferson Papers)
Onís y González Vara López y Gómez, Luis de; minister plenipotentiary of Spain [index entry]