Courtesy Thomas Ammann Fine Art AG

Toledo Museum of Art. Purchased with funds from the Libbey Endowment, Gift of Edward Drummond Libbey, 1983.20

Courtesy Villa Grisebach, Berlin

Archiv Eigentümer(in) / Owner's archive

Ludwigshafen, Wilhelm-Hack-Museum

Saint Louis Art Museum, Bequest of Morton D. May 851:1983

Von der Heydt-Museum Wuppertal. Foto: Antje Zeis-Loi, Medienzentrum Wuppertal

Archiv Eigentümer(in) / Owner's archive

Courtesy Galerie Thomas, München

Collection of Phoenix Art Museum, Gift of Dr. and Mrs. Richard Levy

SHK / Hamburger Kunsthalle. Foto : Elke Walford