Edna Andrade, Untitled (Interchange Study), (metallic colored pencil, graphite, and marker on white wove translucent paper), 1967 [Harvard Art Museums/Fogg Museum, Gift of the Edna Wright Andrade Charitable Trust, 2025.158.4. © Estate of Edna Andrade; courtesy of Locks Gallery, Philadelphia, PA. Photo: © President and Fellows of Harvard College]















