Mills, Cynthia J. (Summer 2000). "Casting Shadows: The Adams Memorial and Its Doubles". American Art. 14 (2). Smithsonian American Art Museum: 2–25. doi:10.1086/424354. S2CID192155944.
Mills, Cynthia J. (Summer 2000). "Casting Shadows: The Adams Memorial and Its Doubles". American Art. 14 (2). Smithsonian American Art Museum: 2–25. doi:10.1086/424354. S2CID192155944.