Contra Costa County Historical & Genealogical Societies

• El Cerrito Historical Society
• Lafayette Historical Society
• Hercules Historical Society
• California State Historical Landmarks - Contra Costa County
• Concord Historical Society
• Contra Costa GenWeb Page
• Contra Costa County Clerk - Index of Marriages
• Martinez Historical Society
• John Marsh Trust
• Friends of Rodgers Ranch
• Clayton Historical Society
• Contra Costa County Genealogy Society
• Contra Costa County Databases
• John Muir Memorial Association
• Moraga Historical Society
• East Contra Costa Historical Society
• Antioch Historical Society
• The Museum of San Ramon Valley
• Walnut Creek Historical Society

Other Bay Area Historical & Genealogical Societies

• Berkeley Historical Society
• Burlingame Historical Society
• Fairfax Historical Society
• Naturalization Records Index - Sonoma County
• San Francisco Call Database - Index 1869-1893
• San Mateo County Genealogical Society
• Sausalito Historical Society
• USS Hornet [WWII Carrier, Alameda, CA]

California Historical Resources

• A History of Berkeley, From the Ground Up
• California Society Sons of the American Revolution
• California Saving Graves
• Native Sons of the Golden West
• California Military Museum
• Researching Historic Buildings
• Pony Express Home Station
• 1872 Foreign Born Voters of Calif - Index
• Alta California Marriage Records [McPherson Collection 1788-1861]
• Brief History of How Calif Became a State
• California Historical Society
• San Diego Historical Society
• Southern California Scenic Railroad Association
• Templeton Historical Society

Libraries and Archives

• The Huntington Library
• University of California Library
• University of the Pacific Library

Other Genealogy Resources

• Genealogy and Historical Societies in California
• American National Biographies
• Last Name Meanings
• Archaic Medical Terms for Genealogists
• Chicago Police Dept Homicide Index 1870-1930
• Obituary Daily Times [An Index of Published Obits]
• Sephardic/Jewish Genealogy
• The Political Graveyard [find the dead politicians in your family]
• Preservation Directory - Research Tools for Historic Preservation

Other Links of Interest

• Local High School Alumni Sites
• Alhambra High School - Alumni of Alhambra High School located in Martinez, California
• Historical Maps
• Maps of the Past - Reproductions of Antique, Historical, Old Maps and Prints.
• Teaching Resources
• The Bay Miwok of Contra Costa County
• Online Transcripts of Diaries & Journals
• Emigrant Diaries & Journals
• Library of Western Fur Trade Diaries & Narratives [Mt Men]
• Spanish Exploration & Colonization [Diaries of DeAnza, Costanso, Garces, Bucarelli & Moraga]
• Periodicals
• Brentwood Press - Publishers of some of our "Tales of Contra Costa County"