- NLW MS 18320D.
- Ffeil
- 1925-1926.
Correspondence, papers, etcrelating to 'Undeb y Cymdeithasau Cymreig'. (Formerly Borth-y-gest MS 59.) English, Welsh. Between boards. Purchased from the library of Mr R. E. Jones, Borth-y-gest, 1959-1961.
Correspondence, papers, etcrelating to 'Undeb y Cymdeithasau Cymreig'. (Formerly Borth-y-gest MS 59.) English, Welsh. Between boards. Purchased from the library of Mr R. E. Jones, Borth-y-gest, 1959-1961.