A collection, [c. 1869]-1936, by Philip Thomas, of miscellaneous hymns and folk-songs in Welsh, including hymn-tunes by Thomas Hopkin Evans, Liverpool (f. 3), John Hughes, Dolgellau (ff. 4-5) and John Nicholas, Port Talbot (ff. 7 verso-8); hymn-tunes from printed detholiadau (ff. 13, 15-28); and copies of tunes for inclusion in The Journal of the Welsh Folk-Song Society, 3 (1936). Also included are facsimile copies of pages from Robert ap Huw's music manuscript (BL Addl. MS 14907) (ff. 64-71).