Manylion Awdur
Ralph A. Griffiths
Cyflwyno'r Awdur
Ralph Griffiths, Emeritus Professor of Medieval History, Swansea University Phillipp Schofield, Professor of Medieval History, Aberystwyth University
Cyhoeddiad(au) (Awdur)
Sir Rhys ap Thomas and His Family
The Principality of Wales in the Later Middle Ages
