Cofiant, pregethau, a ffraethebion, y Parch, Griffith Jones, TregarthJones, Griffith of Tregarth, Jones, J. Mostyn of Gerlan, Arfon · First published 1887Open the Tome
Cyfansoddi Cerddoriaeth Gyfoes - Canllaw I FyfyrwyrPwyll ap Siôn, Iwan Llewelyn-Jones, Fflur Pughe, Sioned Webb, Arfon Gwilym · First published 2011Open the Tome
