Sgorau yn llaw yr awdur o alawon gwerin Cymru wedi eu trefnu gan David de Lloyd [1903x1948]; rhan-ganeuon ganddo yn dwyn y teitl 'Daybreak' a 'Shed No Tear!, 1942-1946; copïau o alawon, rhai ohonynt yn ymddangos yn Forty Welsh Traditional Tunes (1929); caneuon a chyfansoddiadau eraill gan ddisgyblion ysgol, myfyrwyr coleg, a chan cystadleuwyr mewn eisteddfodau lle bu ef yn beirniadu, 1924-1927; nodiadau ar elfennau cerddoriaeth, [1891]-1904; ac amrywiol lyfrau nodiadau a dyddiaduron, 1928-1942 = Holograph scores of Welsh folk tunes arranged by David de Lloyd, [1903x1948]; part-songs by him entitled 'Daybreak' and 'Shed No Tear!', 1942-1946; copies of tunes, some of which appeared in Forty Welsh Traditional Tunes(1929); songs and other compositions by school pupils, college students, and by competitors in eisteddfodau adjudicated by him, 1924-1927; notes on musical theory, [1891]-1904; and miscellaneous notebooks and diaries, 1928-1942.

Llawysgrifau Evan James a James James, cerddoriaeth a barddoniaeth yn bennaf, 1806-1917, yn cynnwys fersiwn gwreiddiol yr alaw 'Glan Rhondda', y daethpwyd i'w hadnabod yn ddiweddarach fel Hen Wlad fy Nhadau, 1856; barddoniaeth Ieuan ab Iago,1831-1842; dyddiaduron,1806-1827, barddoniaeth, 1837-1849; cyfriflyfrau poced,1836-1837; a beirniadaethau eisteddfodol, 1853-1863. = Manuscripts of Evan James and James James, mainly music and poetry , 1831-1917, including the original version of the tune 'Glan Rhondda', which later became known as Hen Wlad fy Nhadau, 1856; poetry of Ieuan ab Iago, 1831-1842; diaries, 1806-1827, poetry, 1837-1849; pocket account books, 1836-1837; and Eisteddfod adjudications, 1853-1863.