lower left in graphite: A.P.; lower center in graphite: "The Act"; lower right in graphite: Schreiber; lower left corner in grpahite by unknown hand: GS #52
- 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. 75, no. 636.