January 21, 1840
To the Senate of the United States:
I transmit to the Senate, in compliance with the request of the governor of Massachusetts, a copy of a letter addressed to him by one of the chiefs of the Seneca tribe of Indians in the State of New York, written on behalf of that portion of the tribe opposed to the treaty of Buffalo.
M. VAN BUREN.
Martin van Buren, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/200680