lower left in graphite: Peter & Toy Bird; lower right in graphite: Will Barnet
- Cole, Sylvan. Will Barnet Etchings, Lithographs, Woodcuts, Serigraphs 1932-1972, Catalogue Raisonne. New York: Associated American Artists, 1972.
- Windisch, Gail, and Sylvan Cole, Jr. Art for Every Home: An Illustrated Index of Associated American Artists Prints, Ceramics, and Textile Designs. Manhattan: Marianna Kistler Beach Museum of Art, Kansas State University, 2016, p. 278, no. 2521.