1890 | graphite on blue-lined notebook paper
1881 | graphite on paper
late 19th century | graphite on paper
mid-19th century - early 20th century | graphite on paper
mid-19th century - early 20th century | graphite on tracing paper
1900 | graphite on paper envelope
possibly 1867 | graphite on paper
August 8, 1879 | graphite on paper
May 15, 1920 | graphite on paper
June 11, 1910 | graphite on paper
June 1, 1910 | graphite on paper
July 12, 1873 | graphite and ink on paper
September 6, 1879 | graphite on paper
July 22, 1879 | graphite on paper
1886 | graphite on paper
1993 | ballpoint pen on paper
1992 | ballpoint pen on paper
1883 | pencil on paper