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Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin

Courtesy Galerie Thomas, München

Washington D. C., Smithsonian Institution, Hirshorn Museum and Sculpture Garden. Gift of the Joseph H. Hirshhorn Foundation, 1966. Foto: Lee Stalsworth

Saint Louis Art Museum, Bequest of Morton D. May 867:1983