along right edge in graphite: M Puryear - Proof 1966
Kay Platt, Arlington; purchased 1999 by NGA, with discretionary funds
- Martin Puryear: Multiple Dimensions, The Art Institute of Chicago, Chicago, 2016, unnumbered catalogue.
- Pascal, Mark. Martin Puryear: Multiple Dimensions. Exh. cat. Art Institute of Chicago, Pierpont Morgan Library, New York, Smithsonian American Art Museum, Washington, DC, 2015.