Y geiriadur mawr : the complete Welsh-English, English-Welsh dictionary /
[by] H. Meurig Evans [and] W.O. Thomas ; golygydd ymgynghorol (consulting editor): Stephen J. Williams.
- 4th ed.
- Llandybie : Llyfrau'r Dryw, [1968]
Welsh language -- Dictionaries -- English.--Welsh language -- Dictionaries -- English.--Welsh language -- Dictionaries -- English. English language -- Dictionaries -- Welsh.--English language -- Dictionaries -- Welsh.--English language -- Dictionaries -- Welsh.