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 Algarves, on this side and on that of the sea, in Africa of Guinea, and of the conquest, Navigation and Commerce of Æthiopia, Arabia, Persia and of India &ca. I have received with the deepest concern the letter of your Royal Highness, dated on the 12th of June last, wherein you announce to me the decease...
2From 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 pleased to communicate to me, that the Princess of Brazil, your much loved Spouse, had that day happily increased your Royal Family by the birth of a Son. Participating in all the events which may increase your happiness, we offer you on this joyous occasion our sincere congratulations, and we pray you...
3From 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 59, IM), as a “Letter of condolence” on the death of Prince Pedro Carlos de Borbón y Braganza, João’s “Nephew and Son in law.” Monroe enclosed a copy of the letter, requested that Sumter deliver it, and stated that the original had been “just sent to Mr. Rademaker, the Portuguese Chargé des...