SOURCE-07062Research NeededProbable
Davies, John (1990), A History of Wales (First ed.), London: Penguin Group (publ...
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Davies, John (1990), A History of Wales (First ed.), London: Penguin Group (published 1993), ISBN 0-7139-9098-8. Cited by Wikipedia: Merfyn_Frych Accessed 6/25/2019 jhd