1852 | oil on canvas
mid-19th century - early 20th century | graphite on tracing paper
mid-19th century - early 20th century | ink on paper
1875 | graphite on paper, heightened with white chalk
1868 | graphite on paper
1880 | printing ink on paper
late-19th century - early 20th century | printing ink on paper
1993 | ballpoint pen on paper
1992 | ballpoint pen on paper
1888 | printing ink on paper