Pasadena, Sierra Madre, South Pasadena, Altadena, Long Beach, Beverly Hills, Hollywood, Los Angeles, San Pedro, Santa Monica

Collections include pamphlets and ephemera documenting the growth, industries, transportation, and social organizations of Los Angeles and greater southern California; photograph collections; thousands of books related to southern California; and numerous archival collections related to indiviuals, the citrus industry, and businesses in the Inland Empire.