circa 1900 | hide, glass, metal, pigment, cotton
19th century - 20th century | wood, glass, paint
19th century - 20th century | fur (otter)
20th century | glass, hide, shell
19th century - 20th century | glass, hide
1950 | watercolor on paper
1920s | hide, glass, silver
late 19th century - early 20th century | gelatin silver process
late 19th century - early 20th century | semi-tanned hide, commercially tanned leather, glass, sinew, cotton
late 19th century - early 20th century | semi-tanned hide, commercially tanned leather, glass, cotton
20th century | fur (otter), cloth, hide, glass, feathers