1Valentín de Foronda to Thomas Jefferson, 26 August 1809 (Jefferson Papers)
Spain; constitution of [index entry]
2Thomas Jefferson to Valentín de Foronda, 4 October 1809 (Jefferson Papers)
Spain; constitution of [index entry]
3Valentín de Foronda to Thomas Jefferson, 30 November 1811 (Jefferson Papers)
Spain; constitution of [index entry]
4Luis de Onís to Thomas Jefferson, 13 April 1814 (Jefferson Papers)
Spain; constitution of [index entry]
5Thomas Jefferson to Nicolas G. Dufief, 19 April 1814 (Jefferson Papers)
Spain; constitution of [index entry]
6Thomas Jefferson to Luis de Onís, 28 April 1814 (Jefferson Papers)
Spain; constitution of [index entry]
7Luis de Onís to Thomas Jefferson, 3 June 1814 (Jefferson Papers)
Spain; constitution of [index entry]
8Thomas Jefferson to William Duane, 3 July 1814 (Jefferson Papers)
Spain; constitution of [index entry]
9John Adams to Thomas Jefferson, 16 July 1814 (Jefferson Papers)
Spain; constitution of [index entry]
10Thomas Jefferson to Lafayette, 14 February 1815 (Jefferson Papers)
Spain; constitution of [index entry]