California
- History
- Almanac of California
- AmericasSuburb: History & Lore of the San Fernando Valley
- Bay Area 2000
- Bibliographies of Northern & Central California Indians
- California As I Saw It: First-Person Narratives of California's Early Years, 1849-1900
- California Federal Land Records
- California Heritage Collection
- California Highways
- California Historical Society
- California Mission Internet Trail
- California Mission Studies Association
- California Missions Virtual Tour
- California Newspaper Project
- California Pioneer Project
- California Reader: Eyewitnesses to History
- California Shipwrecks
- California State Historical Landmarks
- CaliforniaPrehistory
- CalPhotos
- City of San Jose's Historic Resources Inventory
- City of the Silent
- Cyndi's List of Genealogy Sites on the Internet: California
- Death Records (1940 thru 1997)
- Donner Party
- Emperor Norton's Web Frontier
- Gold Rush! California's Untold Stories
- Gold Rush Sesquicentennial
- Google: California History
- Governors of California
- H-California: Study of California History
- Historic California U.S. Highways
- Historic Topographic Maps of California
- Historical Census Populations of California State, Counties, Cities, Places, and Towns, 1850-2000
- Historical Society of Southern California
- History of American Indians in California
- History of Black Americans in California
- History of Chinese Americans in California
- History of Japanese Americans in California
- History of Mexican Americans in California
- Humboldt County Historical Society
- Los Angeles & the Problem of Urban Historical Knowledge
- Los Angeles: Painted City
- Los Angeles: Past, Present, & Future
- Los Angeles Public Library: California Index
- Los Angeles Public Library: Genealogy & Local History Index
- Los Angeles Public Library: Obituary Index
- Los Angeles Public Library: Photo Database
- Monterey County Historical Society Local History Pages
- Mountain View Obituary Database
- Museums and the Online Archive of California (MOAC)
- Oakland History
- Online Archive of California
- San Diego History Center
- San Fernando Valley History Digital Library
- San Francisco Cemeteries
- San Francisco Genealogy
- San Francisco History
- San Francisco History Index
- San Francisco Memories
- San Francisco Public Library Historical Photograph Collection
- San Jose Public Library California Room
- Santa Clara County Historical & Genealogical Society
- Santa Clarita Valley History in Pictures
- Santa Cruz Public Libraries Local History
- Santa Cruz Public Libraries Local History Photograph Collection
- Shaping San Francisco
- Silicon Genesis: Oral History Interviews with Semiconductor Industry Pioneers
- Society of California Pioneers
- Venice, California History
- A Visit to Old Los Angeles and Environs
- Web de Anza
- Yahoo!: California History