1943 | ink on hide
early 20th century | ink on onion skin paper
19th century | ivory
19th century | bear intestine, leather, sinew
circa 1900 | seal gut, wood
1800s | Wood, teeth, quill, baleen
1800s | Ivory
19th century | wood, ivory, rope, bone, twine and pigment
circa 1900 | rawhide, wood, incised ivory and sinew
February 27, 1927 | ink on paper
early 20th century | hide, wood
circa 1919 | gelatin silver process
1200 -- 1300 CE | Ivory
19th century | seal gut, wood, sinew, leather, cotton string
19th century | slate