Founded in 1952, the ONE Archives at the University of Southern California Libraries in Los Angeles is the oldest continuously-operating LGBTQ organization in the United States and the largest archive in the world dedicated to collecting and preserving LGBTQ materials. Our collection comprises over 33,000 volumes of books and monographs; over 13,000 titles of LGBTQ periodicals; 700…

Collection dates prior to separation from Los Angeles County (1889)to present. Bulk of collection dates from 1889 to 1953 and is Orange County specific.

The Orange County Historical Society (OCHS) is a non-profit group which collects, preserves and shares the history of Orange County, California for the benefit of its members and the general public.

Founded in 1956, the Orange Empire Railway Museum preserves the railway history of Los Angeles and Southern California. In addition to its large collection of full size railway cars and locomotives, its archives contains extensive materials on the Los Angeles Railway and Pacific Electric Railway, as well as the mainline railroads that served Southern California.

Rancho Los Cerritos is an historic home and gardens located in Long Beach, California. While the history of the land dates back many centuries, the house itself was built to be the headquarters of a 27,000 acre cattle ranch in 1844 by Los Angeles resident John Temple. The ranch evolved during the 175 years since its construction, its ownership and land use changing several times before becoming a…