- / ARTOTHEK
Rheinisches Bildarchiv Köln, Beckmann, Max, Bildnis Gottlieb Friedrich Reber - rba_c000294
bpk / CNAC-MNAM / Philippe Migeat
New York, Museum of Modern Art (MoMA), Given anonymously (by exchange), 6.1942.a-c.© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence