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 History and Genealogy Department of the Los Angeles Public Library maintains a variety of resources related to the history of Los Angeles. The History Collection includes hundreds of books related to social, cultural and political aspects of Los Angeles’ storied history; the department also maintains both the California Subject and Biography Indexes, retrospective databases indexing selected…