1935 - 1989 | ink on scratchboard
late 20th century | silver, hide, glass, feather
1939 | oil on canvas
circa 1940s | copper alloy
mid-20th century - late 20th century | felt tip pen on matboard
mid-20th century | tempera on paper
mid-20th century - late 20th century | pen on paper
early 20th century - mid-20th century | tempera on paper
20th century | paper, leather, metal, plastic
20th century | feather (macaw), leather, glass, metal, plastic
19th century - 20th century | metal, glass
early 20th century | tempera on paper