1887 | printing ink on paper
July 22, 1879 | graphite on paper
October 12, 1869 | graphite on paper
1888 | printing ink on paper
1882 | printing ink on paper
1883 | brown printing ink on paper
1883 | printing ink on paper
1881 | printing ink on paper
1879 | printing ink on paper
1885 | brownish black printing ink on paper
1885 | printing ink on paper
1880 | printing ink on paper
1881 | brown/black printing ink on paper
August 6, 1873 | graphite on paper