The Chinese Historical Society of Southern California was founded in1975 to discover and recognize Chinese American pioneers and the history of Chinese Americans in Southern California. It also works to increase aware-ness of Chinese American heritage through public programs, education, and research. The society's holdings focus on Southern California Chinese American history.

Claremont Heritage retains materials about Claremont's social, political, and architectural history and the surrounding area.

An online resource exploring the people, places and culture of the greater Los Angeles region.