Manuscript copy of a deposition by Chief Big Head, one page, 7.75 x 12.5, circa April 1881. Manuscript copy of a deposition by the Sioux chief in relation to potential efforts to undermine the authority of the Indian agent, Father Joseph A. Stephan—known as the 'fighting priest'—at Standing Rock. In part: "Big Head, head Chief of the Upper Yantanais band of Sioux Indians makes the following statement: Neither my self or band ever spoke a word of dissatisfaction against our present agent. He has treated us well and we have no fault to find…A true copy of Big head's statement, Chas. Primeau, Elvin Agard, Interpreters." In fine condition.