Papers of and acquired by Paul Diverres [1746x1946], comprising what are presumably the papers of his father (Henry Diverres), including transcripts, extracts, notes and printed materials, relating to Brittany, and to Finistère in particular, regarding historical and antiquarian mattters; manuscripts, printed matter, transcripts and lectures acquired by and by Paul Diverres, including material relating to a variety of historical and antiquarian subjects; religious subjects, including saints; aspects of Celtic history; glossaries, vocabularies and grammars of various languages including Cornish, Gaelic, French, Breton and Welsh; poetry and prose; various histories, including arthurian legend and Merlin, and Meddygon Myddfai; botany and botanical terms; Welsh manuscripts such as the Black Book of Carmarthen, the Red Book of Hergest, and Llyfr Taliesin; place and personal names; ancient monuments in Wales; and songs; together with some correspondence and miscellaneous papers.