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.

The Research Library and Archives has been collecting material relating to the history of Pasadena since 1924. The archives contains approximately 1 million historic images (including photos, negatives, postcards, stereographs) of Pasadena and surrounding areas. There are 45 cubic feet of maps and plans of the area, as well as a set of Sanborm fire insurance maps for Pasadena. There is a large…

Gregor Piatigorsky, the great master cellist of the 20th century, left a legacy of great music through his concerts, recordings, and films, and through his students. He also left a personal collection of approximately 19,000 items including photographs, music manuscripts, correspondence, concert programs, clippings, test pressings, commercial recordings, books, and ephemera. After his death…