Kunsthalle Bremen – Der Kunstverein in Bremen. Foto: Lars Lohrisch
Von der Heydt-Museum Wuppertal. Foto: Antje Zeis-Loi, Medienzentrum Wuppertal
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
Saint Louis Art Museum, Museum Purchase 106:1946
Courtesy Galerie Thomas, München