1934 | pencil on paper
1894 | gelatin silver process
1897 | gelatin silver process, photo paper on board
1901 | gelatin silver process
late 19th century - mid-20th century | gelatin silver process
1903 | gelatin silver process on paper
1912 | gelatin silver process
1919 | gelatin silver process
1934 | ink on paper
1913 | gelatin silver process
September 1863 | graphite on paper
1890 | graphite on blue-lined notebook paper
1881 | graphite on paper
late 19th century | graphite on paper
mid-19th century - early 20th century | graphite on paper
mid-19th century - early 20th century | graphite on tracing paper
1900 | graphite on paper envelope
possibly 1867 | graphite on paper
August 8, 1879 | graphite on paper