2007 Christie's Images Limited
akg-images 264099
2004 Christie's Images Limited
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
Museum Folkwang Essen / ARTOTHEK
Privatsammlung in der Hamburger Kunsthalle. Foto: Elke Walford
© Staatsgalerie Stuttgart
Courtesy Metropolitan Museum, New York (Sabine Rewald)
akg-images 583036
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
Sprengel Museum Hannover, Kunstbesitz der Landeshauptstadt Hannover, Schenkung Volkswagenwerk GmbH, Wolfsburg (1956) / Ali
Seattle Art Museum, 55.74, Gift of Sidney and Anne Gerber
Collection Albright-Knox Art Gallery, Buffalo, New York. Room of Contemporary Art Fund, 1950 (RCA1950:1). Foto: Tom Loonan