Hertford shire [cartographic material] /

Map of Hertfordshire in England showing hundreds, towns, villages and roads with relief shown pictorially.; "Sold by Abel Swale Awnsham & John Churchil".; Prime meridian: London.; From: Britannia, or, A chorographical description of Great Britain, together with the adjacent islands / William Camden. Rev. by Edmund Gibson. 2nd ed. London : Edmund Gibson ; Printed by M. Matthews for A. Churchill, 1722.; NUC, pre 1956, v. 91, p. 506.; Also available in an electronic version via the Internet at: http://nla.gov.au/nla.map-rm1507.Hertfordshir