circa 1920 | semi-tanned hide, rawhide, glass, sinew, cotton thread
early 20th Century | rawhide, leather
late 19th century - early 20th century | iron
late 19th century - early 20th century | metal
early 20th century | wood, string, wire, paper,
late 19th century - early 20th century | oil paint, metal, cardboard, paper
late 19th century - early 20th century | metal, tusk, silver, nickle plated metal
late 19th-early 20th century | metal
late 19th century | metal
early 20th century | paper, cellulose nitrate, soap residue
late 19th century - early 20th century | metal, glass, cloth,
late 19th century - early 20th century | metal, stone
late 19th century - early 20th century | leather
300 BCE - 300 CE | clay, slip, paint
circa 1930 - 1940 | semi-tanned hide, commercially tanned leather, glass, cotton thread
late 19th century | semi-tanned hide, rawhide, glass, porcupine quills, natural dyes, sinew, cotton thread
circa 1920 - 1930 | hide, glass, pigment
1600 - 1800 | clay
early 20th century | silver