1882 | printing ink on paper
1906 - 1908 | graphite and purple colored pencil on wove paper
September 1906 | graphite on paper
1906 | graphite on paper
September 15, 1906 | graphite on paper
September 6, 1906 | graphite and purple colored pencil on paper
1910 - 1912 | graphite on wove paper
1879 | printing ink on paper
1888 | printing ink on paper
1882 | dark brown printing ink on paper