September 20, 1881 | watercolor and graphite on paper
August 31, 1883 | graphite on paper, heightened with white gouache
mid-20th century | tempera on paper
1928 - 1931 | watercolor on paper; matboard
late 19th century - early 20th century | watercolor on board with white gouache
1882 | printing ink on paper
mid-20th century | oil on board
1845 | oil on canvas
1860 | silver and palladium
1930–1940 | semi-tanned hide, rawhide, glass, pigment, sinew
1862 | graphite on paper
1872 | watercolor on paper
1878 | lithographic crayon on paper
1879 | printing ink on paper and graphite
1879 | brown printing ink on paper
20th century | feather (macaw), leather, glass, metal, plastic
1931 | tempera on paper
late 19th century | hide, glass, cotton
19th century | leather, glass
early 20th century | leather, glass