Schweinfurt, Museum Georg Schäfer
Ahlen, Kaldewei Kulturstiftung. Foto: Fredrik Nilsen Studio, Los Angeles
© Staatsgalerie Stuttgart
New York, Museum of Modern Art (MoMA), Curt Valentin Bequest, 328.1955© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
New York, Richard L. Feigen
Ann Arbor, University of Michigan Museum of Art