Dosparth Edeyrn Davod Aur; or The ancient Welsh grammar, which was compiled by royal command in the thirteenth century by Edeyrn the golden tongued, to which is added Y Pum Llyfr Kerddwriaeth, or the rules of Welsh poetry, originally compiled by Davydd Ddw Athraw in the fourteenth, and subsequently enlarged by Simwnt Vychan, in the sixteenth century /
Edeyrn.
Llandovery, 
1856.