Kunstpalast - ARTOTHEK
Photograph Courtesy of Sotheby's, Inc. © 2010
Courtesy Galerie Thomas, München
Berlin, Archiv Wolfgang Wittrock
bpk / Los Angeles County Museum of Art / Art Resource, NY
Kunstmuseum Den Haag
University of California, Berkeley Art Museum and Pacific Film Archive, gift of Mrs. Max Beckmann. Foto: Jonathan Bloom