1. 1975
2. Discriminative control of operant response latency on temporally-based schedules.

   Davey, G. (Awdur), Maw 1975

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. Schedule control of temporally based behaviour.

   Cullen, C. N. (Awdur), Chwef 1975

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. Stimulus control of time-related behaviour.

   Lowe, C. F. F. (Awdur), 1975

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. The Mostyn family and estate, 1200 - 1642

   Carr, A. (Awdur), Williams, J. G. (Goruchwylydd), 1975

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. 1974
7. A study of excretion in the slug Agriolimax reticulatus

   Garner, J. (Awdur), Medi 1974

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. R. H. Tawney and the reform of English education

   Brooks, R. (Awdur), Medi 1974

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. Scientific principles in psychodynamic interpretation.

   Cheshire, N. M. (Awdur), Meh 1974

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. Topological groupoids, measures and representations

    Seda, A. K. (Awdur), Mai 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. Topological groupoids: coverings and universal constructions

    Hardy, J. P. L. (Awdur), Chwef 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. 1973
13. The effects of trampling and vehicles on natural vegetation.

    Liddle, M. (Awdur), P. Greig-Smith, P. (Goruchwylydd), Mai 1973

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. Some aspects of gerundials and infinitivals in English

    Mukattash, L. M. (Awdur), Maw 1973

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

15. 1972
16. The natural vegetation of the Sabah and natural regeneration of the Dipterocarp Forests.

    Fox, J. E. D. (Awdur), Meh 1972

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

17. 1971
18. The population biology of Littorina obtusata (L) (Gastropoda: Prosobranchiata).

    Guiterman, J. D. (Awdur), Hyd 1971

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

19. An assessment of the contribution of Sir Hugh Owen to education in Wales

    Davies, B. L. (Awdur), 1971

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

20. 1970
21. An examination of some leading motifs in the prophetic oracles against foreign nations

    Jones, G. H. (Awdur), Medi 1970

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

22. Studies on organ cultures of slug reproductive tracts

    Bailey, T. G. (Awdur), Medi 1970

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

23. 1968
24. A comparative study of morphology, behaviour and ecology of Chaetogaster Limnaei ( von Baer) from several host species

    Buse, A. (Awdur), Medi 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

25. A critical examination of the Teacher Training in Wales, 1846-1898

    Rees, L. M. (Awdur), 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

26. Temporal orientation of behaviour.

    Harzem, P. (Awdur), 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

27. 1966
28. Studies in the flora of the Rhynie chert

    Saadawy, W.E.-S. (Awdur), Meh 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

29. Studies on plant microfossils from the Carboniferous of North Wales

    Hibbert, F. A. (Awdur), Ebr 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

30. Studies on fossil plants of Karoo age from Central & Southern Africa

    Williams, P. (Awdur), Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

31. The genetics and evolution of differences between closely adjacent plant populations, with special reference to heavy metal tolerance

    Antonovics, J. (Awdur), Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

32. Studies on the nutrition and feeding of the larvae of the large cabbage white butterfly, Pieris brassicae L.

    Akhtar, M. (Awdur), 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

33. 1965
34. Comparative studies in the pathology of radiomimetic conditions

    Mason, J. (Awdur), Medi 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

35. Children's leisure-reading tastes and habits in relation to age, sex, intelligence and other factors

    Leng, I. J. (Awdur), 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

36. 1963
37. An ecological study of Chaetogaster limnaei( von Baer)

    Gruffydd, L. D. (Awdur), Ebr 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

38. A behaviourist approach to pyscho-analysis

    Miles, T. R. (Awdur), 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

39. 1960
40. Seasonal changes in the plankton of inshore waters: with special reference to the life history of certate copepods

    Haq, S. M. (Awdur), 1960

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

41. 1959
42. Calcareous algae of the silurian of the Welsh border

    Green, H. (Awdur), Ebr 1959

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

43. 1958
44. A Study in the Experimental Taxonomy of some British Sphagha (section Cuspidata),with observations of their ecology.

    Agnew, S. (Awdur), 5 Mai 1958

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

45. 1953
46. The study of some phenomena observed with monochromatic X-ray beams.

    Jones, G. P. (Awdur), Owen, E. A. (Goruchwylydd), Medi 1953

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth