Courtesy Thomas Ammann Fine Art AG

New York, Neue Galerie

Ahlen, Kaldewei Kulturstiftung / Courtesy Galerie Kornfeld, Bern

Courtesy Villa Grisebach, Berlin

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

As per the specifications of the heirs of the Copyright owner or the managing society. Provenance: Museo Nacional Thyssen-Bornemisza, Madrid

Saint Louis Art Museum, Bequest of Morton D. May 851:1983

Washington D. C., Smithsonian Institution, Hirshorn Museum and Sculpture Garden. Gift of the Joseph H. Hirshhorn Foundation, 1966. Foto: Lee Stalsworth