February 23, 1861
Hon. JOHN C. BRECKINRIDGE, President of the Senate.
Sir: Herewith I inclose, for constitutional action of the Senate thereon should it approve the same, supplemental articles of agreement made and concluded with the authorities of the Delaware Indians on the 21st July last, with a view to the abrogation of the sixth article of the treaty of May 30, 1860.
JAMES BUCHANAN.
James Buchanan, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/202132