Disgrifiad
Archaeology Wales report no 1547 "Land to rear of Greenfields, Bronllys, Powys. Archaeological Watching Brief - Interim Report" produced by Chris Smith, January 2017.
Enw Casgliad
AWP - Archaeology Wales Project Archives
Cyfrwng
Photo, Graphic, Cartographic, Text.
Cychwynnwr
Archaeology Wales Ltd.