Architecture philosophique, 1913
oil on canvas
56 1/4 x 44 1/8 inches; 143 x 112 centimeters
Study for Series C, 1922–1935
gouche, paper
35.5 x 20 cm
Autour d'un point, c.1918
gouache
7 x 7 3/8 inches; 17.8 x 18.7 centimeters