Courtesy Thomas Ammann Fine Art AG
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
Minneapolis, Institute of Art
Courtesy Hauser & Wirth Collection Services
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
Fort Dodge, Blanden Art Museum