1. 1973
2. Some aspects of gerundials and infinitivals in English

   Awdur: Mukattash, L. M., Maw 1973

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. 1981
4. Attitudinal aspects of Arabic-French billingualism in Morocco.

   Awdur: Bentahila, A., Medi 1981

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. 1985
6. Preaspiration in phonological stop contrasts : an instrumental phonetic study

   Awdur: Chasaide, A. N., Ion 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. Lexical cohesion and the determination of text intelligibility by non-native readers of English

   Awdur: Bensemmane, F., Hyd 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. 1987
9. The world is hard on women : Women and marriage in the novels of Wilkie Collins.

   Awdur: Beaton, R., Ion 1987

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. 1988
11. A stylistic analysis of administrative English through a qualitative and quantitative investigation of government information leaflets

    Awdur: Ward, R. J., Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Cross-cultural misunderstanding in the language of international diplomacy.

    Awdur: Al Mulla, M. A. A., Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Vocabulary learning strategies : A case study of Sudanese learners of English.

    Awdur: Ahmed, M. O., Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. A study of the genre of T.H. White's Arthurian books.

    Awdur: Chapman, S. E., Meh 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

15. 1989
16. The symphonies of Robert Simpson

    Awdur: Pickard, J. L., Maw 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth