late 19th century | graphite on paper
1992 | ballpoint pen on paper
1993 | ballpoint pen on paper
1867 | graphite on paper
1974 | ink on paper
mid-19th century - early 20th century | graphite on paper
1882 | printing ink on paper
1888 | printing ink on paper
August 21, 1875 | graphite on paper
August 21, 1879 | graphite on paper
1966 | graphite on matboard
ink on paper
1874 | printing ink on paper
possibly 1867 | graphite on paper
1856 | printing ink on paper