bpk /Los Angeles County Museum of Art / Art Resource, NY

Courtesy Villa Grisebach, Berlin

Detroit Institute of Arts

Staatliche Kunsthalle Karlsruhe. Foto: A. Fischer / H. Kohler

Courtesy Galerie Thomas, München

Wiesbaden, Frank Brabandt

Mildred Lane Kemper Art Museum, Washington University in St. Louis. University purchase, Kende Sale Fund, 1946.

Saint Louis Art Museum, Bequest of Morton D. May 858:1983

Courtesy of Norton Museum of Art, West Palm Beach, Bequest of R. H. Norton, 53.5