▁tradition ally ▁re lied ▁on ▁P to le my ’ s ▁Geography , ▁the ▁Anton ine ▁It iner ary ▁and ▁the ▁Pe ut inger ▁Table , ▁as ▁the ▁Cos m ography ▁was ▁seen ▁as ▁full ▁of ▁cor ru ptions , ▁with ▁the ▁ordering ▁of ▁the ▁lists ▁of ▁pla cen ames ▁being ▁ha ph az ard . ▁However , ▁there ▁are ▁more ▁entries ▁in ▁the ▁Cos m ography ▁than ▁in ▁the ▁other ▁documents , ▁and ▁so ▁it ▁has ▁been ▁studied ▁more ▁recently . ▁The ▁anti qu ary ▁Roger ▁G ale , ▁writing ▁in ▁ 1 7 0 9 , ▁was ▁the ▁first ▁to ▁attempt ▁to ▁use ▁it ▁as ▁a ▁source ▁for ▁Rom ano - B rit ish ▁place ▁names , ▁but ▁early ▁attempts ▁re lied ▁on ▁the ▁similarity ▁between ▁ancient ▁and ▁modern ▁names , ▁and ▁this ▁method ▁was ▁seen ▁to ▁be ▁suspect ▁by ▁the ▁mid - 1 9 th ▁century . ▁Arch ae ological ▁investig ations ▁were ▁un cover ing ▁sites ▁that ▁had ▁evidence ▁of ▁occupation ▁in ▁the ▁Roman ▁period , ▁and ▁this ▁correlation ▁became ▁important . ▁The ▁Anton ine ▁It iner ary ▁and ▁Richard ▁of ▁Cir enc ester ' s ▁de ▁Situ ▁Britann iae ▁were ▁increasing ly ▁used ▁to ▁cor ro bor ate ▁entries , ▁until ▁Richard ' s ▁work ▁was ▁found ▁to ▁be ▁an ▁ 1 8 th - century ▁ho ax . ▁The ▁Cos m ography ▁remained ▁relatively ▁im pen et rable ▁until ▁the ▁mid - 2 0 th ▁century . ▁ ▁In ▁ 1 9 4 9 , ▁Sir ▁Ian