Krens, T. (1982). The drawings of Robert Morris: Sterling and Francine Clark Art Institute, Williamstown, Mass. 1982 / organized by Thomas Krens. Williams College Museum of Art.
Lua i Stíl Chicago (17ú heag.)Krens, Thomas. The Drawings of Robert Morris: Sterling and Francine Clark Art Institute, Williamstown, Mass. 1982 / Organized by Thomas Krens. Williamstown, Mass.: Williams College Museum of Art, 1982.
Lua MLA (8ú heag.)Krens, Thomas. The Drawings of Robert Morris: Sterling and Francine Clark Art Institute, Williamstown, Mass. 1982 / Organized by Thomas Krens. Williams College Museum of Art, 1982.
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