September 8, 1878 | graphite on paper
September 9, 1878 | graphite on paper
1878 - 1880 | graphite on paper
1888 | brown printing ink on paper
1880 | printing ink on paper
1895 | graphite on paper
1880 | brown printing ink on paper
March 1877 | graphite on paper
late-19th century - early 20th century | graphite on paper
1879 | graphite on paper
July 23, 1880 | graphite on paper
September 8, 1906 | purple colored pencil on paper
1906 | purple colored pencil on paper
July 20, 1878 | black lithographic colored pencil on paper
September 1895 | graphite on paper