Bibliography
R. Iestyn
Daneil
Works authored
Daneil, R. Iestyn, Gwaith Llywelyn ap Gutun, Cyfres beirdd yr uchelwyr, 34, Aberystwyth: Centre for Advanced Welsh and Celtic Studies, University of Wales, 2007.
: <link>
Daneil, R. Iestyn, Gwaith Dafydd y Coed a beirdd eraill o Lyfr Coch Hergest, Cyfres beirdd yr uchelwyr, 21, Aberystwyth: Centre for Advanced Welsh and Celtic Studies, University of Wales, 2002.
: <link>
Daneil, R. Iestyn, Gwaith Casnodyn, Cyfres beirdd yr uchelwyr, 13, Aberystwyth: Centre for Advanced Welsh and Celtic Studies, University of Wales, 1999.
: <link>