The Los Angeles County Arboretum & Botanic Garden has a large archive of historic photographs relating to Rancho Santa Anita, Elias J.(Lucky) Baldwin and this history of the Arboretum. It also holds thephotographic archive of William Chrisman Aplin (1912-1993) a photographer who worked for Sunset magazine and photographed extensively the plants and gardens of Southern California.

The Los Angeles County Metropolitan Transportation Authority's Library & Archive is the most comprehensive transit operator-owned library resource in the United States. As the only multimodal transportation library in Southern California, we serve employees, the public, governments, and research institutions around the world. Our origins date back to the days of the Los Angeles Railway in…

The Research Library is a special collection of the Los Angeles Maritime Museum. Originally acquired by donations from local and California coastal shipbuilding companies, shipbuilders and industries, selections from the Library’s collection of manuscripts, architectural drawings, maps and charts are available for viewing by researchers. The collection of manuscripts has value for research in the…