- California Sociological Association (CSA)
 - Promotes the scientific study and discussion of society among interested persons within the state of California. - Great Valley Center, The
- Committed to building support for California's Central Valley as a distinct region and assisting in the process of planning for the 21st century.
- Public Policy Institute of California
- Private, nonprofit organisation dedicated to independent, nonpartisan research on California's economic, social, and political issues.
- Anthropology and Archaeology
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