© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence
Courtesy Thomas Ammann Fine Art AG
Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München
Toledo Museum of Art. Purchased with funds from the Libbey Endowment, Gift of Edward Drummond Libbey, 1983.20
© Staatsgalerie Stuttgart
Zürich, Kunsthaus
Nationalgalerie, SMB / Jörg P. Anders
Kunstmuseum Winterthur
bpk / The Metropolitan Museum of Art
Collection Albright-Knox Art Gallery, Buffalo, New York. Room of Contemporary Art Fund, 1950 (RCA1950:1). Foto: Tom Loonan