(Bemberg Foundation) - Louis Valtat - Self-Portrait. Oil on cardboard (circa 1900) Louis Valtat, 1900
1912 circa Max Liebermann oil on canvas portrait Felix Klein, Kunstsammlung der Universität Göttingen Max Liebermann, 1912
Monsieur Albert Croquez, Portrait de M. Albert Croquez, 1928, oil on canvas, 69 x 53 cm, Private Collection James Ensor, 1928