July 04, 1838
To the House of Representatives of the United States:
In further compliance with the resolution of the House of Representatives of the 21st of March last, requesting papers on the subject of the relations between the United States and Mexico, I transmit a report from the Secretary of State, to whom the resolution was referred, supplementary to the report of that officer communicated with my message to the House of Representatives of the 27th of April last.
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/201625