Letter from the Acting Secretary of the Interior, relative to the Southern Cheyennes and Arapahoes, for the release of land ceded to them by second article of treaty of 28th October, 1867 - (:unkn) unknown (My University, 1872)
Keywords: Arapaho Indians - Agreements; Arapaho Indians - Lands; Arapaho Indians - Treaty of 1867; Cheyenne Indians - Lands; Cheyenne Indians - Negotiations