Boston, John; Santa Clarita Valley Historical Society (2009). Santa Clarita Valley. Charleston, SC: Arcadia Publishing. p. 124. ISBN9780738569383. Retrieved August 20, 2016.
United States Census results obtained via Dave's Redistricting. Valencia is here defined as the area of Santa Clarita west of San Francisquito Canyon Road/Copper Hill Drive/Seco Canyon Road/Bouquet Canyon Road/Railroad Avenue and north of Lyons Avenue, excluding the small area between Hart High School and Railroad Avenue. (area 2 on this map)