California Council for the Promotion of History: Organization to advance the preservation, interpretation, and management of California's historical resources, and to enhance the application of professional history skills. Activities and contact information.
California Historical Societies: Address information (including web site links) to historical societies in each county within the state of California.
California Historical Society: Official historical association of the State of California.
Filipino American National Historical Society: San Diego Chapter of the FANHS organization which promotes understanding, education, appreciation, and preservation of the Filipino Americans in the United States.
Phil Sheridan Camp 4: Part of the Sons of Union Veterans of the Civil War, serving the California counties of Santa Clara, San Mateo, and San Francisco.
Society for California Archaeology: A nonprofit organization dedicated to research, understanding, interpretation and conservation of California's heritage. Members, newsletter, committees, events, and research.
Sons of the Revolution in the State of California: Award-winning site featuring the American Revolution and Colonial History packed with history of the War of Independence. Complete with battle chronologies and statistics.