Spencer, John C. (John Canfield) 1788-1855 creator mixed material monographic eng 4 ALS (1822 November 18) written by Spencer to James McKown concerning a debt, ALS (1823 April 15) to Bowen Whiting about New York state legal matters, ALS (1840 November 20) to Erastus Corning relating to the purchase of a house, and draft of a letter (1843 March 14) to Samuel Finley Breese Morse approving plans for the installation of a nationwide telegraph system. Open to research. U.S. representative from New York, U.S. secretary of war and secretary of the treasury, and New York public official. Collection material in English. Forms part of: Miscellaneous Manuscripts collection. Corning, Erastus 1794-1872 Correspondence McKown, James Correspondence Morse, Samuel Finley Breese 1791-1872 Correspondence Whiting, Bowen Correspondence Debt New York (State) Law New York (State) Real property New York (State) Telegraph United States History Cabinet officers Public officials mm 79001801 Open to research. DLC 791217 20260227111638.0 mm 79001801