70. Portrait of Anton von Webern, by Max Oppenheimer. 1909. Canvas, 78 by 68 cm. (Von der Heydt-Museum, Wuppertal; exh. Österreichische Galerie Belvedere, Vienna).
Attributed works:
71. The Philharmonic, by Max Oppenheimer. 1926–52. Oil and tempera on canvas (in three sections) affixed to board, 302 by 465 cm. (Artothek des Bundes; on long-term loan to the Österreichische Galerie Belvedere, Vienna).
Attributed works:
72. The Klingler Quartet, by Max Oppenheimer. 1917. Oil and tempera on canvas, 70 by 80 cm. (Österreichische Galerie Belvedere, Vienna).