The Plains Across.; The Overland Emigrants and the Trans-Mississippi West, 1840-60
Urbana: University of Illinois Press, 1979. Third printing. Hardcover/dust jacket. 565 pp. Out-of-print in cloth.
Urbana: University of Illinois Press, 1979. Third printing. Hardcover/dust jacket. 565 pp. Out-of-print in cloth.
Urbana: University of Illinois Press, 1982. Third printing. Paperback. 565 pp.
Division of Publication, National Park Service, 1969. Pamphlet. 58pp.