Wheat, C. (1999). Maps of the California Gold Region, 1848-1857. [Place of publication not identified]: Martino Pub. admin Wheat, J. and Brun, C. (1985). Maps and charts published in America before 1800. London: Holland Press. Woodward, D. (1994). ‘The Forlani Map of North America’. Imago Mundi, Vol. 46, pp.29-40.
