lower left on stone: PT CXXVII; lower left in graphite: Segovia Aqueduct - Silhouette + Shadow; lower center in graphite: 30 prints; lower right in graphite: Prentiss Taylor September 1975; lower left corner in graphite by unknown hand: 10 Rose and Quiroz 127
the artist, Washington, DC; Roderick S. Quiroz (Estate of Prentiss Taylor), Washington, DC, 1991; Corcoran Gallery of Art, Washington, DC, 1999; acquired 2015 by the National Gallery of Art
- Rose, Ingrid, and Roderick S. Quiroz.. The Lithographs of Prentiss Taylor: A Catalogue Raisonné. Bronx, NY: Fordham University Press, 1996, p. 119, no. 127.