© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
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
Zürich, Kunsthaus
Nationalgalerie, SMB / Jörg P. Anders
Kunstmuseum Winterthur
bpk / The Metropolitan Museum of Art
Courtesy Galerie Thomas, München