Whitlock, Herbert P.2020-05-112020-05-111934http://digitallibrary.amnh.org/handle/2246/721423 p. illus. 26 cm.Reprinted from Natural history magazine for July-August and September-October, 1932.en-USJade.Jewelry, Ancient.Precious stones.Jade and the antique use of gems. (Guide leaflet, no. 79)Other