SOURCE-06455Research NeededProbable
National Library of Wales. Llyfr Syr Thomas ap Ieuan ap Deicws, [c. 1510 - 1544]...
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National Library of Wales. Llyfr Syr Thomas ap Ieuan ap Deicws, [c. 1510 - 1544]. Peniarth MS 127, p. 32. NLW Catalogue; NLW Image. A transcript is here.