List of counties in California

ISBN 978-0-7385-6991-8. （原始内容存档于2021-01-17）.  Historic Spots in California. Historic Spots in California: The Southern Counties. Stanford University Press. : 59 [8 August

里的路段添加了高乘載車道及附属的出入口。 A list of freeway exits in San Diego and Imperial Counties and some parts of Orange and Riverside Counties.. EFGH. [2014-12-25]. （原始内容存档于2019-09-11）

（原始内容存档于2012-03-25）.  Alphabetical List of California Dams (Over 40,000 acre feet). Civil and Environmental Engineering. University of California Davis. [2012-03-31]

旧金山湾区城市列表 舊金山灣區機場列表 舊金山灣區捷運系統 Square Mileage by County. California States Association of Counties. [2017-09-21]. （原始内容存档于2019-02-27）.  Hinrichs, Scott.

Boy Scouts of America. 2012 [June 23, 2013]. （原始内容存档于2012年9月28日）.  Southern California by Towns and Counties: Fred Burnham now a Major in British Army;