Saint Louis Art Museum, Bequest of Morton D. May 842:1983

Saint Louis Art Museum, Bequest of Morton D. May 846:1983

Washington, National Gallery of Art. Gift (Partial and Promised) of Arnold and Joan Saltzman 2006.164.1

Archiv Eigentümer(in) / Owner’s Archive. Foto: Watzek Photographie, Hall i. Tirol

Saint Louis Art Museum, Museum Purchase 106:1946

Courtesy Galerie Thomas, München

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