1868 | printing ink on paper
1882 | printing ink on paper
1883 | brown printing ink on paper
1881 | printing ink on paper
late-19th century - early 20th century | graphite on paper
1884 | brown printing ink on paper
1887 | printing ink on paper
1879 | printing ink on paper
1882 | graphite and white chalk on paper
1883 | printing ink on paper
April 16, 1883 | ink and graphite on paper
1884 | printing ink on paper