Iolo Morganwg a'r Traddodiad Rhamantaidd yng Nghymru 1740–1918 Cyhoeddiadau A Rattleskull Genius: The Many Faces of Iolo Morganwg Bardic Circles The Correspondence of Iolo Morganwg The Literary and Historical Legacy of Iolo Morganwg 1826–1926 The Truth against the World Detholiad o Emynau Iolo Morganwg Yn yr adran hon A Rattleskull Genius: The Many Faces of Iolo Morganwg Bardic Circles Detholiad o Emynau Iolo Morganwg The Correspondence of Iolo Morganwg The Literary and Historical Legacy of Iolo Morganwg 1826–1926 The Truth against the World