Cyfeiriadur i'r athro iaith
By: Megan E. Roberts, R. M. Jones.
Contributors: Jones, Bobi, 1929- joint author.
Publisher: Gwasg Prifysgol Cymru
Published: 1974
Place of publication: [Caerdydd]
Language: wel
Number of pages: 500
Subjects: Linguistics -- Dictionaries -- Welsh.; Language and languages -- Dictionaries -- Welsh.
Other titles: Ysgrifau ar addysg.
Notes: Bibliography: p. 473-500.
"Atodiad i'r gyfres Ysgrifau ar addysg."