Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin
bpk / The Metropolitan Museum of Art
Sprengel Museum Hannover / Michael Herling / Aline Gwose
Courtesy Galerie Thomas, München
Mark Ranney Memorial Fund 1946.1 - University of Iowa City Museum of Art. Reproduced with permission from The University of Iowa
Zürich, Kunsthaus