July 22, 1862 | graphite with conte crayon and white gouache
late-19th century - early 20th century | graphite on paper
July 25, 1865 | graphite on paper
August 11 and August 12, 1864 | graphite on paper
August 7, 1865 | graphite on paper
August 12, 1865 | graphite on paper
August 24, 1864 | graphite on paper
July 30, 1865 | graphite on paper
1882 | graphite on paper
May 17, 1890 | gray wash over graphite on paper
August 5, 1865 | graphite on paper
September 15, 1882 | graphite on paper
July 22, 1862 | graphite, conte crayon, and white gouache on paper
1862 | graphite and white chalk on paper
August 1865 | graphite on paper
September 26, 1882 | graphite on paper
1867 | graphite with wash and white gouache on paper
August 9, 1865 | graphite on paper
