Edeyrn, D. A., Davydd Ddu, A., Simwnt Fychan, 1., Williams, J., & Society for the Publication of Ancient Welsh Manuscripts. Abergavenny. (1856). 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 Ddu Athraw, in the fourteenth, and subsequently enlarged by Simwnt Vychan, in the sixteenth centry: with English translations and notes. W. Rees; [etc., etc.].

Edeyrn, Davod Aur, et al. 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 Ddu Athraw, in the Fourteenth, and Subsequently Enlarged by Simwnt Vychan, in the Sixteenth Centry: With English Translations and Notes. W. Rees; [etc., etc.], 1856.