1. 1968
2. 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

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

   Rees, L. M. (Awdur), 1968

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. Temporal orientation of behaviour.

   Harzem, P. (Awdur), 1968

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. 1966
6. Studies in the flora of the Rhynie chert

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

   Williams, P. (Awdur), Ion 1966

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. 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

10. 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

11. 1965
12. Comparative studies in the pathology of radiomimetic conditions

    Mason, J. (Awdur), Medi 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. 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

14. 1963
15. An ecological study of Chaetogaster limnaei( von Baer)

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

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

16. A behaviourist approach to pyscho-analysis

    Miles, T. R. (Awdur), 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

17. 1960
18. 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

19. 1959
20. Calcareous algae of the silurian of the Welsh border

    Green, H. (Awdur), Ebr 1959

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

21. 1958
22. 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

23. 1953
24. 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