lower left in graphite: 106/150; lower right in graphite: SW Hayter
Reba and Dave Williams, Greenwich, Connecticut; acquired 2008 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. 111, ii/ii.