1900–1910 | semi-tanned hide, rawhide, glass, sinew
early 20th century | hide, glass, sinew
late 19th century | hide, glass, hair
1989 | ink on paperboard
January 10-11, 1816 | ink on paper
April 5, 1827 | ink on paper, synthetic ribbon, wax
September 22, 1830 | ink on paper, wax
September 24, 1831 | ink on paper
March 28, 1833 | ink on paper
April 7, 1834 | ink on paper
June 4, 1834 | ink on paper, wax
January 3, 1835 | ink on paper, wax
September 3, 1835 | ink on paper
November 13, 1835 | ink on paper
September 30, 1836 | ink on paper
circa July 4, 1837 | ink on paper
September 22, 1837 | ink on paper, wax
November 26, 1837 | ink on paper
January 20, 1838 | ink on paper
March 11, 1838 | ink on paper