Haverkamp-Begemann, E., Lawder, S. D., & Talbot, C. W. (1964). Drawings from the Clark Art Institute: A catalogue raisonne of the Robert Sterling Clark collection of European and American drawings, sixteenth through nineteenth centuries at the Sterling and Francine Clark Art institute, Williamstown. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Haverkamp-Begemann, Egbert, Standish D. Lawder, agus Charles W. Talbot. Drawings from the Clark Art Institute: A Catalogue Raisonne of the Robert Sterling Clark Collection of European and American Drawings, Sixteenth Through Nineteenth Centuries at the Sterling and Francine Clark Art Institute, Williamstown. New Haven: Yale University Press, 1964.
Lua MLA (9ú heag.)Haverkamp-Begemann, Egbert, et al. Drawings from the Clark Art Institute: A Catalogue Raisonne of the Robert Sterling Clark Collection of European and American Drawings, Sixteenth Through Nineteenth Centuries at the Sterling and Francine Clark Art Institute, Williamstown. Yale University Press, 1964.