The Margaret Herrick Library collects a wide range of materials documenting film as both an art form and an industry. Its holdings include photographs, posters, books, periodicals, screenplays, oral histories, and extensive clippings files on people, films, and companies. The clippings files are organized under five headings: production, biography, general subject, festivals and awards, and…

The Metropolitan Water District of Southern California manages a library and archival repository documenting the activities of the organization and resources of interest to the greater history of the Los Angeles region. 

The Yosemite Archives contain historical records and manuscripts related to Yosemite's history, including the donated papers of ethnographers and scientists, resource management records, historic park administrative records, and slide, photo, and film collections.