Courtesy Thomas Ammann Fine Art AG
Ludwigshafen, Wilhelm-Hack-Museum
Saint Louis Art Museum, Bequest of Morton D. May 851:1983
Courtesy Galerie Thomas, München
Collection of Phoenix Art Museum, Gift of Dr. and Mrs. Richard Levy
Archiv Eigentümer(in) / Owner's archive
Seattle Art Museum, 55.74, Gift of Sidney and Anne Gerber
SHK / Hamburger Kunsthalle. Foto : Elke Walford