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 Historical Society of Long Beach (HSLB) was formed in 1962 with the mission to collect, preserve, and present the city’s history. Throughout the years the HSLB has occupied many locations around the city, settling at its current location in Bixby Knolls in 2007. Operations are sustained at the HSLB by grant funding, membership dues, and community fundraising through programs and events.

Documents and photos relating to the history of the Crescenta Valley. The La Crescenta Valley Historical Society has a lot of materials on the New Years Flood of 1934, and the town of Montrose, plus some materials on the American portrait artist S. Seymour Thomas.

USC began its film program in 1929 and we house all the produced student films as well as Educational and Hollywood films dating back to the 1910's. Individual collections include unique production documents and ephemera, including photographs, set design art, legal documents. Many parts of Los Angeles have been represented such as Kent MacKenzies Bunker Hill 1956.

The Library has a large collection of manuscripts, printed books and periodicals, photographs, maps and ephemera relating to Los Angeles.