[Fair Oaks Avenue, east side from south of Eureka Street house on 90th Street, Pasadena; showing Wrigley's gum billboard], 1932 November 11, B_33, Volume: 3. Los Angeles: 1932-33, PC 17 Vols. 1-3. California Historical Society. https://californiahistoricalsociety.libraryhost.com/repositories/2/archival_objects/32933 Accessed January 23, 2025.