Dan Kwong has early snapshots and formal photographs of Japanese and Chinese family members, as well as correspondence collected by his Japanese grandfather while interned by the U.S. government during World War II from 1940-1945. Mr. Kwong's archival documents also include scripts, photographs, and ephemera from his noted performance work.

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.