Nicolaas (Sophie) Warb, Composition abstraite en vert et noir, circa 1940, watercolor on paper, 6.5 x 24 cm
Nicolaas (Sophie) Warb, Ohne Titel, 1946, gouache on paper, 38 x 29 cm, (14 x 11 in)
Nicolaas (Sophie) Warb, All is illusion!, 1949, gouache on cardboard, 35.5 x 26 cm
Verena Loewensberg, Ohne Titel, 1976-1977, oil on canvas, 20 x 40 cm
Verena Loewensberg, Ohne Titel, 1971, oil on canvas, 60 x 60 cm