Archiv Eigentümer(in) / Owner's archive
- / ARTOTHEK
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Courtesy Thomas Ammann Fine Art AG
Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin
© Staatsgalerie Stuttgart
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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