Denver Art Museum Collection: Gift of Rosa Kuschei, 1948.38. Photograph courtesy of the Denver Art Museum

Städel Museum, Frankfurt am Main - U. Edelmann / ARTOTHEK

Saint Louis Art Museum, Museum Purchase 106:1946

bpk / The Metropolitan Museum of Art

Ahlen, Kaldewei Kulturstiftung. Foto: Fotostudio Bartsch, Berlin

- / ARTOTHEK