Ahlen, Kaldewei Kulturstiftung / Courtesy Galerie Kornfeld, Bern
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
Archiv Eigentümer(in) / Owner's archive
Chicago, Art Institute of Chicago, Gift of Lotta Hess Ackerman and Philip E. Ringer, 1955.822© 2018. The Art Institute of Chicago / Art Resource, NY / Scala, Florence