The Works of Iolo Goch, with a Sketch of His Life. Ed. by the Rev. Robert Jones, B.A., Vicar of All Saints', Rotherhithe.Iolo, Goch, active1877EN
Iolo Morganwg a chywyddau'r ychwanegiad, gan G.J. Williams ... gyda rhagymadrodd gan Syr John Morris-Jones ...Griffith John Williams1926CY