1James Madison to Thomas Jefferson, 28 March 1809 (Jefferson Papers)
Yrujo (Irujo), Carlos Fernando Martínez de; Spanish minister to U.S. [index entry]
2Thomas Jefferson to Valentín de Foronda, 4 October 1809 (Jefferson Papers)
Yrujo (Irujo), Carlos Fernando Martínez de; Spanish minister to U.S. [index entry]