A number of hymn tunes, psalms and related notes and press cuttings, [1840], [1906x1930], mostly in J. Lloyd Williams's hand but also including notes by Mary Davies and a few related letters, 1918-1929, from others. Notes of a lecture entitled 'Caniadaeth y Cysegr', delivered at Aberystwyth in 1926, are also included, together with a reference to a folk song in the Ifor Ceri MSS.