1907 | white gouache and pencil on newsprint
1875 | graphite on paper, heightened with white chalk
September 1870 | graphite on paper
1856 | printing ink on paper
1888 | printing ink on paper
1880 | printing ink on paper
1880 | brown printing ink on paper
late-19th century - early 20th century | graphite on paper
late-19th century - early 20th century | ink wash and white gouache over graphite on paper
1881 | graphite on paper
July 25, 1865 | graphite on paper
July 27, 1865 | graphite on paper
possibly 1872 | graphite and wash with white gouache
June 1881 | graphite and wash with white gouache on paper
August 1865 | graphite on paper
August 7, 1865 | graphite on paper
August 9, 1865 | graphite on paper