"Whittier, California". From Resident and Business Directory of Whittier, California. Hall Mercantile Agency, 1911. MAPS-00014.
The Whittier History Room's collection of Whittier area maps includes those created by civil engineers working for the City of Whittier and County of Los Angeles, as well as Thomas Bros. maps. They trace the transformation of Whittier from a land of orchards to the suburban town of today.