late-19th century - early 20th century | graphite on paper
September 12, 1880 | graphite on paper
July 29, 1860 | graphite on paper
August 12, 1880 | graphite on paper
mid-19th century - early 20th century | black ink on paper
September 2, 1880 | graphite on paper
mid-19th century - early 20th century | blue ink on paper
1895 | graphite and iron gall ink on paper
mid-19th century - early 20th century | graphite on paper
1895 | graphite on paper