1966 | graphite on mat board
July 13, 1910 | graphite on paper
August 6, 1873 | graphite on paper
1903 | graphite on paper
September 6, 1906 | graphite and purple colored pencil on paper
June 11, 1873 | graphite on paper
July 20, 1878 | graphite and black lithographic colored pencil on paper
1867 | graphite on paper
mid-19th century - early 20th century | graphite on paper
late 19th century | graphite on paper
late 19th century | graphite on tracing paper
1883 | graphite on paper
1865 | graphite on paper
March 29, 1923 | graphite on paper
September 1870 | graphite on paper
May 18, 1905 | graphite on paper
1895 | graphite on paper
1910 | graphite on paper
June 1873 | graphite on paper