. "Limes Germanicus" . "Germanic-Rhaetian Limes" . "northern border" . "Upper Germanic Limes" . "Rhine and Danube frontier" . "northern inland boundary" . . . . "Donau-Iller-Rhine-Limes" . "Upper Germanic limes" . . . . . "Limes" . . . . . . "Limes Germanicus" . . . . . . "Roman limes" . "Roman frontier" . "German frontier" . "Upper Germanic-Rhaetian Limes" . "Roman Limes" . . . . . "Rhaetian limes" . . "Danube frontier" . . "Upper Limes Germanicus" . . "fortified Roman border" . . . . "Rhine frontier" . . . "German Limes" . "limes" . . "Lower Limes Germanicus" . "Germanic frontier" . "Upper German Limes" . "Germanic ''limes''" . . . .