1864 | graphite on paper
1875 | graphite on paper, heightened with white chalk
1870 | graphite on paper
1879 | printing ink on paper
1879 | brown printing ink on paper
September 1863 | graphite on paper
1863 | graphite on paper
August 8, 1870 | graphite on photographic paper
November 1, 1860 | graphite on paper
mid-19th century - early 20th century | graphite on paper
August 11, 1864 | graphite on paper
1873 | graphite and wash with white gouache on paper
August 2, 1881 | graphite and wash on paper
July 27, 1865 | graphite on paper
August 9, 1864 | graphite on paper
August 22, 1864 | graphite on paper