1William Darby to Thomas Jefferson, 12 June 1817 (Jefferson Papers)
Being uncertain whether you have received a Copy of my Map and Statistical tracts of Louisiana, I am under considerable embarrassment in addressing, to you, this note. From your character, as the head of the Literature of your country, I should deem no apology necessary in soliciting your opinion of a work, upon a country towards the incorporation of which, into the U.S. your personal...