Privatsammlung in der Hamburger Kunsthalle. Foto: Elke Walford

Courtesy Galerie Thomas, München

Courtesy Thomas Ammann Fine Art AG

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

Courtesy Galerie Thomas, München

Kunstmuseum Den Haag

2013 Christie's Images Limited

Detroit Institute of Arts

Courtesy Galerie Thomas, München