Includes free English translation by Edward Swan, written by Daniel. Autograph document 1 page; letter from Daniel to Otis T. Mason, USNM, transmitting Three Leg's letter. Fort Bennett, South Dakota. July 29, 1891. Autograph letter signed. One page and note in handwriting of J.O. Dorsey, identifying the language as Teton Dakota. Autograph document, 1 slip.