20th century | wood
December 25, 1929 | ink on paper
April 8, 1930 | ink on paper
April 28, 1930 | ink on paper
February 26, 1929 | ink on paper
May 30, 1928 | ink on paper
September 5, 1929 | ink on paper
March 15, 1929 | ink on paper
February 18, 1929 | ink on paper
1946 | colored pencil on paper
20th century | feather (macaw), leather, glass, metal, plastic