Bibliography
Erwain Haf
Rheinallt
Works authored
Jones, Nerys Ann, and Erwain Haf Rheinallt [eds.], Gwaith Sefnyn, Rhisierdyn, Gruffudd Fychan ap Gruffud ab Ednyfed a Llywarch Bentwrch, Cyfres beirdd yr uchelwyr, 2, Aberystwyth: Centre for Advanced Welsh and Celtic Studies, University of Wales, 1995.
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