"Bay Area Archaeological Archive". CSUEB C.E. Smith Virtual Museum of Anthropology. August 15, 1998. Archived from the original on December 26, 2019. Retrieved December 23, 2013.
"Media: The Pioneer". California State University, East Bay: Department of Communication. Archived from the original on February 6, 2012. Retrieved December 19, 2007.
"Bay Area Archaeological Archive". CSUEB C.E. Smith Virtual Museum of Anthropology. August 15, 1998. Archived from the original on December 26, 2019. Retrieved December 23, 2013.
"Media: The Pioneer". California State University, East Bay: Department of Communication. Archived from the original on February 6, 2012. Retrieved December 19, 2007.