Schmerz (Anguish/Pain), marble, dimensions unknown, 1909. Illustrated in Das Jahrbuch des Deutschen Werkbundes, 1910, Deutsche Kunst und Dekoration, 1910; exhibited Exposition Internationale Brussels, 1910, whereabouts unknown.
Two Women (Zwei Frauen), artificial stone (Kunststein), 113 x 62 cm, c. 1913 (formerly collection of Karl Ernst Osthaus Museum Hagen – confiscated in Degenerate Art campaign, reportedly destroyed, 1937)
Crouching figure (Kauernde), cement, c. 1921, illustrated in Das Kunstblatt, 1922, dimensions and whereabouts unknown © Victoria and Albert Museum London
Torso, 1922, material and dimensions unknown, illustrated in Das Kunstblatt, 1922. Whereabouts unknown.
Relief, concrete, dimensions unknown, 1921 or before, photo © Victoria and Albert Museum London. 2 variants documented. Illustrated in Der Querschnitt, 1922. Whereabouts of both variants unknown.