A third volume entitled 'Llyfr o Hen Ganeuon', being a continuation of MSS 166-7 and comprising largely of transcripts by J. H. Davies from manuscripts in the British Museum, in the Cardiff Central Library, in the National Library of Wales and in Jesus College, Oxford of 'carolau', 'dyrïau', 'englynion', etc. by Hugh Roberts, Sion Roger, Hugh Morris, Harri Llwyd, Rowland Vaughan, E[lis] Anwyl, Wm. Phylip, Huw Llwyd, Jo. Griffith [Llanddyfnan], W[atcyn] Clywedog, Hen. Bodwrda, G[ruffudd] N[annau], Gr. Ph[ylip], Ffouck Llwyd ('o Henllan'), Rich. Hug[hes] (Dick Hughes), Thom. Price, Gwerful ferch Guttyn ('Tafarnwraig Talysarn'), J[ohn] Ed[wards], R[ichard?] B[ulkeley?], Ed. Samuel, Ellen Gwdmon, Tudur Aled, Heilin Capten Roberts (Lifftenant Wiliam Peilyn), Richard Parry, Dafydd ap Huw'r Gô ('o Fodedern'), Meister Lewis Meyrig ('y Cyfreithiwr'), Huw Bwccleu ('o Lanfechell'), Dafydd Llwyd (Sybylltir), Robin Dyfi, Richard Phillip, T. Llo[yd], Sr. Morgans, Sion Morys, Sr. Sion Gruffydd ('chaplen Mr. Wil. Tomas'), Tomas Brydydd ('o Lanvyl[lin]'), Morgan taylor, John William, Llelo, Sion Tudyr, Elinor Humphrey, Goronw Owen, Elis Kenferick, Iaco ap Dewi, Jon. Owen, Richard Owen ('or lasynis'), 'Edwardus David' [Edward Dafydd], and Mredyth ap Rosser. The volume also contains anonymous poems from the same sources; calendars of the contents of manuscripts in the British Museum and in the Cardiff Central Library; an extract from Drych Cristianogawl (1585); a pedigree of the family of Billings of Dymerchion; and 'Notes on Cerddi, etc'.