- NLW MS 13758D.
- Ffeil
- 1927 /
Manuscript of 'Alawon Gwerin Cymru, Detholiad yr Ysgol Wyliau Gymraeg' by Philip Thomas, with a preface and introduction by J. Lloyd Williams, Aberystwyth (ff. 7-11). It was published as Alawon Gwerin Cymru. Detholiad yr Ysgol Wyliau Gymraeg gan Philip Thomas (s.l.: Trafodion yr Ysgol Wyliau Gymraeg, rhif III, 1927).
Philip Thomas.