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
Archiv Eigentümer(in) / Owner's archive
Courtesy Galerie Thomas, München
Archiv Eigentümer(in) / Owner's archive
Museum Folkwang Essen / ARTOTHEK
SHK / Hamburger Kunsthalle. Foto : Elke Walford