late 19th century | graphite on paper
July 30, 1878 | black lithographic colored pencil on paper
1888 | printing ink on paper
1888 | brown printing ink on paper
1888 | printing ink on paper (14.446a), brown printing ink on paper (14.446b-e)
1860 | glass etching on albumen paper
late 19th century - early 20th century | gelatin silver process
1910 | oil on canvas
early 20th century | oil on canvas attached to Masonite
July 24, 1862 | graphite on paper
mid-20th century | lithograph on paper
1901 | watercolor on paper
circa 1930 | oil on canvas