lower left in graphite: Essai; lower center in graphite: Battle; lower right in graphite: SW Hayter 53
Jacob and Ruth Cole Kainen, Chevy Chase, Maryland; acquired 1994 by the National Gallery of Art
- Black, Peter, and Désirée Moorhead. The Prints of Stanley William Hayter: A Complete Catalogue. Mount Kisco, New York: Moyer Bell Limited, 1992, no. 210.