lower left in graphite: Essai; lower center in graphite: Battle; lower right in graphite: SW Hayter 53
Jacob and Ruth Cole Kainen (JK ownership stamp), Chevy Chase, MD; gift to NGA, 1994.
- Black, Peter and Desiree Moorhead. The Prints of Stanley William Hayter: A Complete Catalogue. Mount Kisco, NY, 1992.