1Memorandum from Alexander von Humboldt, 9 June 1804 (Jefferson Papers)
Luisiana. Mr. le Président desire du savoir quelle est la Population, l’area et le produit...
2From Thomas Jefferson to Mustafa Baba, Dey of Algiers, 9 June 1804 (Jefferson Papers)
I have received your letter of the 14th of October last and in it assurances of the continuance...