1887 | printing ink on paper
late 19th century | graphite on paper
late-19th century - early 20th century | printing ink on paper
June 15, 1910 | graphite on paper
1885 | printing ink on paper
late-19th century - early 20th century | graphite on paper
July 26, 1864 | graphite on paper
September 6, 1879 | graphite on paper
1888 | brown printing ink on paper
1881 | printing ink on paper
1879 | brown printing ink on paper
1882 | printing ink on paper
1879 | printing ink on paper