late 19th century - mid-20th century | gelatin silver process
mid-19th century - mid-20th century | gelatin silver process
1878 | gelatin silver process
late 19th century | graphite on tracing paper
mid-19th century - early 20th century | graphite on paper
1875 | graphite on paper, heightened with white chalk
1884 | brown printing ink on paper
1887 | printing ink on paper
1886 | brown printing ink on paper
1880 | printing ink on paper
1881 | brown printing ink on paper
late-19th century - early 20th century | printing ink on paper
1918 | gelatin silver process
1873 | graphite and ink on paper
October 12, 1869 | graphite on paper
1992 | ballpoint pen on paper
1910 | gelatin silver process