Agate : physical properties and origin, archaeology and folk-lore / By Oliver C. Farrington, Curator of Geology, [and] Berthold Laufer, Curator of Anthropology.
Agate : archaeology and folk-lore
Archaeology and folk-lore
Farrington, Oliver C. (Oliver Cummings),
Field Museum of Natural History. Dept. of Geology
Field Museum Press,
G 253 F43 No. 8
Geology leaflet (Field Museum of Natural History) ; no. 8