▁Richmond ▁and ▁O ▁G ▁S ▁C raw ford ▁published ▁a ▁paper ▁they ▁had ▁originally ▁submitted ▁to ▁Arch ae ologia , ▁which ▁suggested ▁that ▁the ▁sources ▁for ▁the ▁document ▁had ▁included ▁maps ▁or ▁road ▁books , ▁and ▁that ▁many ▁place ▁names ▁described ▁ge ographical ▁features . ▁The ▁book ▁was ▁seen ▁as ▁a ▁significant ▁advance ▁in ▁the ▁study ▁both ▁of ▁the ▁document ▁and ▁of ▁Rom ano - B rit ish ▁pla cen ames . ▁Louis ▁D ille mann ' s ▁work , ▁which ▁was ▁translated ▁by ▁Professor ▁Col in ▁Smith ▁and ▁published ▁in ▁Arch ae ologia ▁in ▁ 1 9 7 9 , ▁was ▁the ▁first ▁time ▁that ▁the ▁theories ▁of ▁J ▁Sch net z ▁had ▁been ▁summar ised ▁for ▁an ▁English - spe aking ▁audience , ▁while ▁A ▁L ▁F ▁Riv et ▁and ▁Col in ▁Smith ▁used ▁their ▁study ▁of ▁the ▁document ▁to ▁publish ▁ ▁The ▁Place - Names ▁of ▁Roman ▁Britain ▁in ▁the ▁same ▁year . ▁ ▁Part ▁of ▁the ▁difficulty ▁with ▁the ▁text ▁is ▁its ▁cor ruption , ▁which ▁probably ▁results ▁from ▁the ▁author ▁failing ▁to ▁understand ▁his ▁sources , ▁or ▁not ▁appreci ating ▁the ▁purpose ▁for ▁which ▁they ▁were ▁written . ▁His ▁original ▁sources ▁may ▁have ▁been ▁of ▁poor ▁quality , ▁resulting ▁in ▁many ▁curious - looking ▁names ▁appearing ▁in ▁the ▁lists . ▁Equ ally , ▁there ▁are ▁some ▁obvious ▁om issions , ▁although ▁the ▁author ▁was ▁not ▁attempting ▁to ▁produce ▁a ▁complete ▁list ▁of ▁places , ▁as ▁his ▁introduction ▁states : ▁" In ▁that ▁Britain ▁we ▁read ▁that ▁there ▁were