August 14, 1879 | graphite on paper
May 6, 1886 | graphite and conte crayon on wove paper
June 11, 1873 | graphite on paper
1878 | graphite on paper
August 6, 1873 | graphite on paper
1910 - 1912 | graphite on wove paper
February 19, 1877 | graphite with watercolor on paper
July 25, 1878 | graphite on paper
1873 | graphite on tracing paper
September 6, 1879 | graphite on paper
late 19th century | graphite on paper
1886 - 1888 | graphite on paper
July 11, 1873 | graphite on paper
October 12, 1869 | graphite on paper
1873 | graphite on paper
1906 - 1908 | graphite and purple colored pencil on wove paper
1882 | graphite on paper
1886 | graphite on paper