Genealogy:
California Pioneers Project
Census Resources for Genealogy
Genealogical and Historical Societies
Genealogy.org
Genealogy Homepage
Hispanic Historical and Ancestral Research
LDS Genealogy
Los Pobladores, Los Angeles' Founding Families
Pioneer History Gen Web
Riverside and S.B. County Genealogical Soc.
RootsWeb
San Bernardino County (Kindred Trails)
San Bernardino County (USGen Web)
San Bernardino Valley Genealogical Society
SoCal Genealogy Societies
San Bernardino Public Library

Native Americans:
American Indians in California
Curtis Collection
Edward S. Curtis's The North American Indian
Native American Resources in Southern Calif.
San Manuel Band of Mission Indians
Serrano Indian Tribe History

Preservation:
California Citrus State Historical Park - Riv.
California Landmarks - San Bernardino County
California Office of Historic Preservation
California Preservation Foundation
City of San Bernardino - Mills Act
National Register of Historic Places
State Historical Landmarks

Societies:
California Historical Society
Chinese Historical Society-Southern California
Colton Historical Society
DAR - Arrowhead Valley Chapter
Fontana Historical Society
Highland Area Historical Society
Historical Society of Southern California
Jedediah Smith Society
Jewish Historical Society-Southern California
Loma Linda Historical Commission
Mohahve Historical Society - Victorville
National Japanese American Historical Soc.
Native Sons of the Golden West - S.B.
Redlands Area Historical Society
Rialto Historical Society
Riverside Historical Society
San Bernardino Historical and Pioneer Society
San Bernardino Railroad Historical Society
San Gorgonio Pass Historical Society
Westerners International (WI) - Corrals
Yucaipa Valley Historical Society

Libraries:
African American Museum and Library at Oakland
A.K. Smiley Public Library, Archives - Redlands
Bancroft Library - University of California Berkeley
Huntington Library - San Marino
John M Pfau Library - CSUSB
Library of Congress
Loma Linda Branch Library
Loma Linda University Libraries
National Archives Pacific Region - Laguna Niguel
National Archives - Washington D.C.
Robert V. Fullerton Art Museum - CSUSB
San Bernardino Public Library - California Room
San Bernardino Valley College Library
Sherman Library - Corona del Mar
UCR Libraries - Riverside
University of Redlands Library
U.S. Geological Survey Photographic Library

Maps:
Bruman Map Collection - UCLA
David Rumsey Historical Map Collection
Harvard University Map Collection
Historical Map Websites - Perry Casteneda
Library of Congress - Maps
Map Collections (Early Maps)
Sanborn and Other Fire Insurance Maps
University of Colorado

Trails:
Anza National Historic Trail
California Trail
Mojave Trail
Mormon Pioneer Trail
Old Spanish Trail
Salt Lake Cutoff Trail
Santa Fe Trail

Museums:
African American Museum and Library at Oakland
Agua Caliente Cultural Museum - Palm Springs
California Missions
California State Military Museum - Sacramento
Gilman Ranch & Wagon Museum - Banning
Historical Glass Museum - Redlands
Historical Museums of California
Lincoln Memorial Shrine - Redlands
Malki Museum - Banning
March Field Air Museum - Riverside
McDonald's Museum - San Bernardino
Mission Inn Museum - Riverside
Museum of the America West
Pasadena Museum of History
Orange Empire Railway Museum - Perris
Perris Valley Museum
Redlands Historical Museum
San Bernardino County Museum - Redlands
Sherman Indian Museum - Riverside
Smithsonian
Southern California Medical Museum - Riverside
Southwest Museum of the American Indian
UCR/Calif. Museum of Photography - Riverside
Western Center Museum - Hemet