1. 1985
2. Preaspiration in phonological stop contrasts : an instrumental phonetic study

   Chasaide, A. N. (Awdur), Ion 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. Reciprocal transplantations to study local specialisation and the measurement of components of fitness.

   Mackenzie, S. (Awdur), Ion 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. The characterisation and control of ochre deposits in land drainage systems.

   Ap Dewi, I. (Awdur), Chwef 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. Benjamin Britten : the things spiritual.

   Elliott, G. (Awdur), Meh 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. Strategies and tactics of Nigerian Science teachers

   Buseri, J. C. (Awdur), Williams, I. (Goruchwylydd), Medi 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. Teaching and learning commitment in bilingual schools

   Roberts, C. (Awdur), Medi 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

   Bensemmane, F. (Awdur), Hyd 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. An economic approach to assessing the value of recreation with special reference to forest areas.

   Christensen, J. B. (Awdur), Price, C. (Goruchwylydd), Rhag 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. 1986
11. Dadansoddiad o nodau graddedig ar gyfer oedolion sy'n dysgu'r Gymraeg fel ail iaith

    Davies, J. P. (Awdur), 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Human choice and the matching law: the role of verbal behaviour

    Horne, P. (Awdur), Lowe, F. (Goruchwylydd), 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Stress and information processing

    Jones, J. G. (Awdur), Hardy, L. (Goruchwylydd), 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. British Pestalozzianism in the nineteenth century : Pestalozzi and his influence on British education.

    Brown, J. A. (Awdur), Ion 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

15. Physiological aspects of tillering in barley (Hordeum distichum).

    Woodward, E. J. (Awdur), Ion 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

16. Studies in cyclopropene chemistry.

    Dulayymi, A. R.A. (Awdur), Ion 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

17. Sudies on the epidemiology of a Nigerian strain of Schistosoma haematobium with particular reference to the molluscan hosts

    Fryer, S. E. (Awdur), Maw 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

18. West African monetary unification : the case for a common currency.

    Kamara, S. M. W. (Awdur), Awst 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

19. Geochemical and mineralogical studies of the weathering of Silurian argillaceous rocks

    Chapman, P. (Awdur), Medi 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

20. Higher Dimensional Algebroids and Crossed Complexes

    Mosa, G. H. (Awdur), Tach 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

21. 1987
22. The role of language in the emergence of equivalence relations: a developmental study

    Beasty, A. (Awdur), Lowe, F. (Goruchwylydd), 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

23. Studies of leaf growth in barley

    Maan, A. A. S. (Awdur), Ion 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Beaton, R. (Awdur), Ion 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

25. Genetic and environmental factors in the migration of the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera :Noctuidae).

    Woodrow, K. P. (Awdur), Medi 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

26. Forest recreation use patterns user behaviour and recreational value in Malaysia.

    Sabri, W. M. W. (Awdur), Tach 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

27. 1988
28. Datblygiad addysg crefft yn ysgolion Cymru hyd at 1966

    Pritchard, J. G. (Awdur), 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

29. Discrimination without awareness

    Devalle, D. A. (Awdur), 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Ward, R. J. (Awdur), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

31. Cost benefit analysis and sustained yield forestry in India.

    Kumar, P. J. D. (Awdur), Price, C. (Goruchwylydd), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Al Mulla, M. A. A. (Awdur), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

33. George Herbert Mead and dualism

    Roman, J. (Awdur), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

34. Politics, government and society in Edinburgh, 1780-1833

    Brydon, W. (Awdur), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

35. The role of naming in stimulus equivalence : differences between humans and animals.

    Dugdale, N. A. (Awdur), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Ahmed, M. O. (Awdur), Ion 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Chapman, S. E. (Awdur), Meh 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

38. An investigation of microstrip antennas and their feeder structures.

    Richards, O. (Awdur), Meh 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

39. Some factors affecting bilingualism amongst trainee teachers in Malaysia

    Yatim, A. M. (Awdur), Gorff 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

40. The purpose of microcomputers in primary education.

    Bullock, A. D. (Awdur), Medi 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

41. Studies of the biological activity of a novel herbicide (Triasulfuron) including studies of mobility and persistence in soils.

    Oppong, F. K. (Awdur), Hyd 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

42. The Henrician court during Cardinal Wolsey's ascendancy c.1514-1529.

    Sammon, N. (Awdur), Tach 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

43. 1989
44. Y faled yng Nghymru

    Oqwn, D. (Awdur), 1989

    Traethawd ymchwil myfyriwr: Graddau Meistr trwy Ymchwil

45. Computer-aided control system design using optimization methods.

    Grace, A. C. W. (Awdur), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

46. Finite element studies of the Korteweg-de Vries equation.

    Ali, A. H. A. (Awdur), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

47. Flow : the concept and implication for mental well-being and health.

    Ainscoe, M. W. (Awdur), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

48. Henry VIII's court in the 1510s and 1520s

    Samman, N. (Awdur), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

49. Islamic banking

    Chachi, A. (Awdur), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

50. The application of Biot's theory to sea-bed sediments.

    Hurley, M. T. (Awdur), Taylor Smith, D. (Goruchwylydd), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

51. The measurement and modification of delusional behaviour.

    Chadwick, P. D. J. (Awdur), Ion 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

52. Studies on the acceptability and digestibility of artificial diets by crustacea.

    Kurmaly, K. (Awdur), Chwef 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

53. The symphonies of Robert Simpson

    Pickard, J. L. (Awdur), Maw 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

54. Euronotes: risk and pricing

    Feeney, P. W. (Awdur), Ebr 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

55. Group counselling/therapy as a technique to modify the undesirable school behaviour (school phobia) of children at elementary school level in the state of Kuwait

    Sahel, R. A. (Awdur), Ebr 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth