Rhan oIolo Morganwg and Taliesin ab Iolo manuscripts and papers
Miscellaneous papers created or collected by Iolo Morganwg, including poetry and prose in Welsh and English; autobiographical and biographical material; vocabularies; papers relating to work as a monumental mason, stonemason and builder; broadsides and other political material; Unitarian and theological papers; pedigrees; topographical notes; and advertisements.
Rhan oIolo Morganwg and Taliesin ab Iolo manuscripts and papers
Manuscripts, [16 cent.]-[?1841], mostly collected or written by Iolo Morganwg. They include transcripts of Welsh poetry, pedigrees, grammars, and manuscripts belonging to Robert Vaughan of Hengwrt, Lewis Morris, Gwallter Mechain, Ieuan Brydydd Hir, Thomas Glyn Cothi, Richard Morris and others; literary papers of Iolo Morganwg, including hymns and psalm-tunes, English and Welsh poetry and Bardic papers; other papers including diaries, memorandum books and notebooks; and accounts of his father, Edward Williams, senior.