June 3, 1864 | ink on paper
August 15, 1864 | ink on paper
January 30, 1865 | ink on paper
November 7, 1865 | ink on paper
December 31, 1875 | ink on paper
June 16, 1899 | ink on paper
1797 - 1897 | ink on paper
late 19th century - early 20th century | gelatin silver process
1919 | gelatin silver process