
Peter Anthony Stroud, Two Systems-10, 1987. Lithograph, sheet: 9 13/16 × 12 3/4 in. (24.9 × 32.4 cm) Image: 7 × 9 11/16 in. (17.8 × 24.6 cm). Whitney Museum of American Art, New York; Transfer, from the Frances Mulhall Achilles Library, Special Collections, Whitney Museum of American Art 2011.24.42