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..

As the only collecting institution focused solely on the art, craft, and history of Hollywood writers and their labor union, the Writers Guild Foundation Library & Archive are vividlly relevant to the creative and business communities of Los Angeles. The holdings document a rich facet of Los Angeles culture in relation to the role of writers in the entertainment industry.