Bayerische Staatsgemäldesammlungen - Sammlung Moderne Kunst in der Pinakothek der Moderne München
Courtesy Beck & Eggeling, Düsseldorf
Harvard Art Museums /Fogg Museum, Bequest of Alfred Jaretzki, Jr., 1976.96. Foto: Imaging Department © President and Fellows of Harvard College
akg-images 442531
Courtesy of Norton Museum of Art, West Palm Beach, Bequest of R. H. Norton, 53.5
Courtesy Hauser & Wirth Collection Services