Society for the Publication of Ancient Welsh Manuscripts, Abergavenny.

Iolo manuscripts. : A selection of ancient Welsh manuscripts, in prose and verse, from the collection made by the late Edward Williams, Iolo Morganwg, for the purpose of forming a continuation of the Myfyrian archaiology; and subsequently proposed as materials for a new history of Wales / with English translations and notes, by his son, the late Taliesin Williams, (Ab Iolo,) ... Pub. for the Welsh MSS. society.