Ffeil GIII/12. - Lectures. (i) Some Modern Keltic Poetry, (ii) Y Brudiau Cynaraf, (iii) Prudentius - Emynydd Cristnogol Cynnar, (iv) Morvudd gan Ddavydd ...,

Lectures. (i) Some Modern Keltic Poetry, (ii) Y Brudiau Cynaraf, (iii) Prudentius - Emynydd Cristnogol Cynnar, (iv) Morvudd gan Ddavydd ap Gwilym - Adwe o'r Chwedl, 1922, (v) Analysis of Cynghanedd in Dafydd ap Gwilym, (vi) Ffasiynau Llenyddol, Cardiff, 22 Jan. 1930, (vii) Welsh Folklore, Celtic Congress, London, 24 July 1930, (viii) Addysg Wledig, Aberystwyth, April 1931, (ix) Adrodd Ystraeon, Aberystwyth, 23 Nov. 1931, (x) Dyfodol Cymru, Theological College, Aberystwyth, March 1934, (xi) Thomas Edwards o'r Nant, Llangollen, May 1934, (xii) Yr Hen Fyd a'r Newydd, (xiii) Llên a Meddwl Cymru, Cardiff, 20 April 1936, (xiv) Daniel Owen, Mold, 20 Oct. 1936, (xv) Beth yw Barddoniaeth? University College of Wales, Aberystwyth, 15 March 1937, (xvi) Some Welsh Survivals, Reardon Smith Lecture Theatre, Cardiff, 23 Feb. 1940, (xvii) Doethineb Beirdd, Sept. 1940, and (xviii) Ffasiynau mewn Llenyddiaeth, Sept. 1940; and Language: A Dictionary of Bardic vocabulary in 3 vols, 1912-22. Unpublished.