lower left in graphite: 25/50; lower center in graphite: Lincoln at Ford's Theater; lower right in graphite: Warrington Colescott 1973; lower center verso in graphite: 1107 125
(Lorenz Gallery, Bethesda, MD);  Jacob Kainen, Washington, D.C., purchased June 7, 1975; gift to NGA.
- Chapin, Mary Weaver. The Prints of Warrington Colescott: A Catalogue Raisonné, 1948-2008. Madison: University of Wisconsin Press, 2010, p. 188, no. 186.