1To Thomas Jefferson from Simeon De Witt, 28 August 1804 (Jefferson Papers)
The President of the United States is respectfully requested to accept of the inclosed Map of the State of New York from RC ( MHi ); endorsed by TJ as received from Simeon DeWitt on 7 Sep. and so recorded in SJL , but as received 6 Sep. Enclosure: Simeon De Witt, Map of the State of New York (Albany, 1804); Sowerby, E. Millicent Sowerby, comp., Catalogue of the Library of Thomas Jefferson ,...
2Simeon DeWitt to Thomas Jefferson, 13 January 1819 (Jefferson Papers)
I have had the temerity to advance a novel project for the consideration of our Legislature , now in session, and as it is of general concern I am induced to take the liberty of presenting you with the pamphlet which contains it. The pamphlet has only this moment come from the press and I have as Yet had no opportunity of learning opinions about it, except from a few friends of high standing...