lower left in graphite: 17/30; lower center in graphite: Laocöon; lower right in graphite: SWHayter 43; by unknown hand center right: 2=27 1/2 x 17 3/8
Lessing J. Rosenwald, Alverthorpe, PA; gift to NGA, 1945.
- Graphic Survey Show, National Gallery of Art, Washington D.C., 1987-1988.
- Black, Peter and Desiree Moorhead. The Prints of Stanley William Hayter: A Complete Catalogue. Mount Kisco, NY, 1992.