Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin
Courtesy Steinfels Art Consulting AG, Zürich
The Baltimore Museum of Art. Gift of William A. Dickey, Jr. BMA 1955.77
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
Courtesy Metropolitan Museum, New York (Sabine Rewald)
Boston, Museum of Fine Arts
Courtesy Hauser & Wirth Collection Services