October 12, 1869 | graphite on paper
1885 | printing ink on paper
1881 | printing ink on paper
1883 | printing ink on paper
1879 | printing ink on paper
late-19th century - early 20th century | graphite on paper
1884 | printing ink on paper
1879 | brown printing ink on paper
1895 | graphite on paper
1910 | graphite on paper
July 22, 1879 | graphite on paper
mid-19th century - early 20th century | iron gall ink on paper