Friedrich Hundertwasser (University of California-Berkeley; Galerie St. Etienne; Lincoln Land Community College; Littek, Renate; Kovler Gallery), Arts Club exhibitions, Mar. 26-Apr. 19, 1969, NL11Z04R. The Newberry Library - Modern Manuscripts and Archives. https://archives.newberry.org//repositories/2/digital_objects/8216 Accessed June 02, 2024.