1884 | printing ink on paper
1860 | silver and palladium
September 7, 1878 | graphite on paper
1878 - 1880 | graphite on paper
1878 | printing ink on paper
1879 | printing ink on paper
1880 | printing ink on paper
1879 | printing ink on paper with addition of wash
1880 | graphite on paper
May 23, 1890 | graphite on paper
1883 | printing ink on paper
1882 | printing ink on paper
1886 | printing ink on paper
1885 | printing ink on paper