1. Early central California and Anasazi shell artifacts;Gifford;Am. Antiq.,1949
2. A process of decomposition: A model form the Arizona-Sonoran desert;Galloway,1997
3. The Ohlone, past and present;Bean;Ballena Press Anthropol. Papers,1994
4. California;Martin,1947
5. Early Hunter-Gathers of the California Coast;Erlandson,1994