January 21, 1840 | ink on paper, wax
April 26, 1839 | ink on paper
July 14, 1839 | ink on paper
August 9, 1839 | ink on paper
April 29, 1839 | ink on paper
July 15, 1839 | ink on paper
September 4, 1839 | ink on paper
May 3, 1839 | ink on paper
July 18, 1839 | ink on paper
September 5, 1839 | ink on paper
May 4, 1839 | ink on paper
July 19, 1839 | ink on paper
September 21, 1839 | ink on paper
May 8, 1839 | ink on paper
September 22, 1839 | ink on paper
May 15, 1839 | ink on paper
July 20, 1839 | ink on paper
September 23, 1839 | ink on paper
May 16, 1838 | ink on paper, wax