Pedley, Mary (1996). "Maps, War, and Commerce: Business Correspondence with the London Map Firm of Thomas Jefferys and William Faden". Imago Mundi. 48: 161–173. doi:10.1080/03085699608592838. JSTOR1151268. (subscription required)
jstor.org
Pedley, Mary (1996). "Maps, War, and Commerce: Business Correspondence with the London Map Firm of Thomas Jefferys and William Faden". Imago Mundi. 48: 161–173. doi:10.1080/03085699608592838. JSTOR1151268. (subscription required)