Boy on a mule, 1936 Oil on canvas, 36 x 46 in. / 91 x 117 cm. A Stroll in the Forest, 1938 Oil on canvas, 27 x 40 in. / 68.6 x 101.6 cm. Still Life with Mouse, 1939 Oil on canvas, 47 x 33 in. / 119.4 x 83.8 cm. Museum of Fine Arts, Springfield, Mass., Gift of Ann Pelham-Keller White Woman, 1940 Oil on canvas, 51 x 36 in. / 129.5 x 91.4 cm. Repeated Forms, 1940 Oil on canvas, 38 x 26 in. / 97 x 66 cm.