Disgrifiad
Ruperra Motte, Glamorgan; measured drawing and three overlays showing plan of the mound with a sketch-plan of the surrounding hill-fort, as published in RCAHMW Inventory of the Ancient Monuments in Glamorgan Volume III - Part 1a Medieval Secular Monuments The Early Castles From the Norman Conquest to 1217, 1991, figure 23, page 59.