late-19th century - early 20th century | graphite on paper
March 5, 1877 | graphite on paper
July 26, 1860 | graphite on paper
September 11, 1906 | purple colored pencil on paper
mid-19th century - early 20th century | brown ink on paper
mid-19th century - early 20th century | graphite on paper
March 1877 | graphite on paper
1868 | graphite on paper
September 12, 1906 | purple colored pencil and graphite on paper
mid-19th century - early 20th century | black ink on paper
August 12, 1880 | graphite on paper
July 20, 1878 | black lithographic colored pencil on paper
1877 | graphite on paper