akg-images 212823
Courtesy Galerie Thomas, München
© Staatsgalerie Stuttgart
Mark Ranney Memorial Fund 1946.1 - University of Iowa City Museum of Art. Reproduced with permission from The University of Iowa
Kansas City, Missouri, The Nelson-Atkins Museum of Art. Gift of the Friends of Art, 54-86. Image courtesy Nelson-Atkins Media Services / Photo: Jamison Miller
Photograph Courtesy of Sotheby's, Inc. © 2017
Courtesy Thomas Ammann Fine Art AG