Rose Art Museum, Brandeis University, Waltham, Gift of Mr. and Mrs. Abrams, 1960
Collection Van Abbemuseum, Eindhoven, The Netherlands. Photo: Peter Cox, Eindhoven, The Netherlands
Courtesy of The Kreeger Museum, Washington, DC
Städel Museum, Frankfurt am Main - U. Edelmann / ARTOTHEK
Leipzig, Museum der bildenden Künste