- NLW ex 1593-4.
- Ffeil
- 1939-1942.
Two volumes, 1939-1940 and 1940-1942, containing the minutes in Welsh of 'Cymdeithas Dafydd ap Gwilym' at Llangollen County School, co. Denbigh, the second in the hand of the secretary Islwyn Ffowc Elis (b. 1924), novelist.