Studies of Tertiary and Quaternary Mammals of North America (Contributions to Palaeonotlogy. Carnegie Institution of Washington Publication 473)
Washington, DC: Carnegie Institution, 1936. Softcover. Off white wraps. 119 pp + bw plates. More
Washington, DC: Carnegie Institution, 1936. Softcover. Off white wraps. 119 pp + bw plates. More
Washington, DC: Carnegie Institution, 1938. Softcover. Off white wraps. 281 pp + BW plates. More