Includes: Quaife, Milo Milton, ed. Life of Black Hawk. Green cloth. [1916] * Gregg, Josiah. The Commerce of the Prairies. Green cloth. [1926] * Flint, Timothy, ed. The Personal Narrative of James O. Pattie of Kentucky. Red cloth. Hinges cracked. [1930] * Mackenzie, Alexander. Voyage to the Pacific Ocean in 1793. Red cloth. [1931] * Finnerty, John G. War-Path and Bivouac: The Big Horn and Yellowstone Expedition. Blue cloth. [1955] * Hollister, Ovando J. Colorado Volunteers in New Mexico, 1862. Blue cloth. [1962]. Together 6 volumes, all in original cloth.