1From Thomas Jefferson to João, Prince Regent of Portugal, 12 October 1801 (Jefferson Papers)
To our Great and Good Friend, His Royal Highness the Prince Regent of Portugal and the two...
2From James Madison to João, Prince Regent of Portugal, ca. 5 May 1813 (Madison Papers)
Letter not found. Ca. 5 May 1813. Described in James Monroe to Thomas Sumter, 6 May 1813 (DNA: RG...
3From Thomas Jefferson to João, Prince Regent of Portugal, 18 April 1803 (Jefferson Papers)
I have received your letter of the 26. of October last in which your Royal Highness has been...