Courtesy Thomas Ammann Fine Art AG
Düren, Leopold Hoesch Museum. Foto: Aachen, Peter Hinschläger
New York, Museum of Modern Art (MoMA), Given anonymously (by exchange), 6.1942.a-c.© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
2004 Christie's Images Limited
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
Städel Museum, Frankfurt am Main - U. Edelmann / ARTOTHEK
Museum Folkwang Essen / ARTOTHEK
- / ARTOTHEK
Saint Louis Art Museum, Bequest of Morton D. May 867:1983