Unknown | stone
circa 1100 CE | stone
500 BCE - 500 CE | stone
Unknown | slate
late 19th century - early 20th century | gelatin silver process
100 BCE - 700 CE | stone
early 1900s | stone
January 28, 1908 | gelatin silver process
300 - 100 BCE | stone
December 31, 1929 | ink on paper
mid-20th century | tempera on mat board
