Archiv Eigentümer(in) / Owner's archive

Courtesy Galerie Thomas, München

bpk / Nationalgalerie, SMB / Andres Kilger

Milwaukee Art Museum. Gift of Mr. and Mrs. Malcolm K. Whyte. Foto: Efraim Lev-er

Boston, Museum of Fine Arts

Seattle Art Museum, 55.74, Gift of Sidney and Anne Gerber