Rhif Archif
6074140
Disgrifiad
Llantrithyd Ringwork, Glamorgan; measured drawing and two overlays showing plan and profiles, 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 71, page 111.
Enw Casgliad
GIEC - RCAHMW Glamorgan Inventory Early Castles
Cyfrwng
Graphic.
Cychwynnwr
RCAHMW
Dyddiad
c. 1990