Emden, Kunsthalle Kunsthalle Emden

Collection Walker Art Center, Minneapolis. Gift of Mr. and Mrs. John Cowles, Sr. 1964

Courtesy Thomas Ammann Fine Art AG

Courtesy Thomas Ammann Fine Art AG

Archiv Eigentümer(in) / Owner's archive

Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin