circa 1900 | leather, glass, pigment
circa 1940 | leather, glass, sinew
mid-20th century | tempera on paper
late 19th century - early 20th century | semi-tanned hide, rawhide, glass, dye, sinew
circa 1890 | semi-tanned hide, rawhide, dye, pigment, glass, sinew
1911 | oil on canvas
1978 | tempera on mat board
1889 | cast in bronze