Z. Gray, "Avalanche", Country Gentleman, February 1928, p. 4, illustrated.
Denver, Colorado, Colorado Historical Society, The Colorado Heritage Center, n.d.
Smith Kramer, Inc., The West in American Art: From the Bill and Dorothy Harmsen Collection of Western Americana, no. 44, n.d.
Golden, Colorado, The Foothills Art Center, Horse and Rider, November 4, 2000-January 19, 2001.