1To James Madison from Luis de Onís, 25 October 1810 (Madison Papers)
Letter not found. 25 October 1810. Described as a one-page letter in the lists probably made by...
2Luis de Onís to James Monroe, 26 October 1816 (Madison Papers)
His excellency the viceroy of the kingdom of New Granada communicates to me, under date of the 2d...