The California State Library, comprising sections including California History, Information Services, Government Publications, and the Witkin Law Library in Sacramento and the Sutro Library in San Francisco, holds a wide variety of materials relating to the history of Los Angeles, including manuscripts, rare books, maps, photographs and other visual resources, ephemera, vertical files, and more. …

Serving as NASA’s official living tribute to the crew of the 2003 Space Shuttle Columbia disaster, the Columbia Memorial Space Center is located where the Apollo and Space Shuttle spacecraft were designed and built. The CMSC aims to be the most accessible STEM experience in Southern California.

Private holding of audio and video recordings, as well as photographic elements on photopaper and 35mm slides.

In keeping with LACMA's commitment to research and education, the Mr. and Mrs. Allan C. Balch Art Research Library serves the Museum's staff, scholars, students, and the public by collecting, preserving, and ensuring access to information about art. The Balch Art Research Library is also the repository of LACMA's institutional archive of records related to the museum's past exhibitions 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.