The Downey Historical Society is located at the Downey History Center in Apollo Park. For more than thirty years, the society's all-volunteer staff has been gathering and preserving records and artifacts from and about the southeastern part of Los Angeles County. The society's collection includes original photographs from 1870 to the present (copy negatives, duplicate prints, or 35-mm slides are…

The collection of the Duarte Historical Society and Friends of the Library focuses on the history of the City of Duarte and adjacent Bradbury. Its archive includes photographs, records, and other artifacts related to the settlers and families who developed Duarte, the local schools, and the local citrus industry..

The collections of the Pacific Palisades Historical Society deal with the history of Rancho Boca de Santa Monica; the Chautauqua movement; the Methodist community from 1921 to 1943; the Uplifters Club from 1921 to 1945; the Westside community of German émigrés from 1934 to 1943; Will Rogers; J. Paul Getty and the Parker Ranch; the film industry; beach culture; the now-nonexistent Bernheimer…

The Local History Center of the Palos Verdes Library District focuses on the social and cultural history of the Palos Verdes Peninsula from the early 1900s to the present. This fairly extensive collection includes rare books, photographs, maps, blueprints, loose-leaf materials, scrapbooks, newspaper clippings, telephone books, and oral history interviews—all relating to the…

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…

Founded in 1934, the Philosophical Research Society is a nonsectarian center for the study and teaching of the world’s wisdom traditions. The Philosophical Research Society Library’s holdings provide a range of information about various countries and philosophies.

Special Collections at the Pomona Public Library maintains extensive pamphlet files of clippings, photographs, brochures, and other ephemera related principally to Pomona Valley and especially to the City of Pomona.