mid-19th century - mid-20th century | pencil on paper
early 20th century - mid-20th century | ink on paper
late 19th century - mid-20th century | pencil on paper
1893 | gelatin silver process
early 20th century | ink and pencil on paper
1880 | brown printing ink on paper
1879 | printing ink on paper
1880 | printing ink on paper
early 20th century | ink on onion skin paper
1880 | brown printing ink on paper (14.412a-b), printing ink on paper (14.412c)