Little Tokyo Historical Society commemorates the Japanese American history and heritage related to Little Tokyo in Los Angeles through archival collections, photos, videos, gallery exhibits, lectures, and workshops. "Los Angeles's Little Tokyo (Arcadia Publishing, November 2011). "Little Tokyo: The 1930's Golden Years", 2013 calendar now on sale at www.littletokyohs.org.

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.