LE CLAIRE KUNST, Hamburg
Poughkeepsie, Frances Lehman Loeb Art Center, Vassar College, Poughkeepsie, New York, gift of Mrs. Margaret S. Lewisohn, 1954.8.1
Courtesy Galerie Thomas, München
Archiv Eigentümer(in) / Owner's archive
Kunsthalle Mannheim, Foto: Cem Yücetas
SHK / Hamburger Kunsthalle. Foto : Elke Walford