Y geiriadur mawr
Subtitle: the complete Welsh-English, English-Welsh dictionary
By: Harold Meurig Evans, W. O. Thomas; golygydd ymgynghoral (consulting editor): Stephen J. Williams.
Contributors: Thomas, W. O.; Williams, Stephen J.
Edition: 5th ed. rev.
Publisher: Llyfrau'r Dryw
Published: 1971
Place of publication: Llandybie
Language: wel
Number of pages: 492
Subjects: Welsh language -- Dictionaries -- English; English language -- Dictionaries -- Welsh
Genres: Dictionaries
Other titles: Complete Welsh-English, English-Welsh dictionary.