Saint Louis Art Museum, Bequest of Morton D. May 841:1983
Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin
Archiv Eigentümer(in) / Owner's archive
bpk / The Metropolitan Museum of Art
Boston, Museum of Fine Arts
Saint Louis Art Museum, Bequest of Morton D. May 867:1983