1Lafayette to Thomas Jefferson, 10 December 1817 (Jefferson Papers)
Portugal; politics in [index entry]
2Tench Coxe to Thomas Jefferson, 11 November 1820 (Jefferson Papers)
Portugal; politics in [index entry]
3Thomas Jefferson to Francis W. Gilmer, 29 November 1820 (Jefferson Papers)
Portugal; politics in [index entry]
4Thomas Jefferson to John F. Oliveira Fernandes, 28 May 1821 (Jefferson Papers)
Portugal; politics in [index entry]