1. 1966
2. 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

3. 1965
4. Comparative studies in the pathology of radiomimetic conditions

   Mason, J. (Awdur), Medi 1965

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. 1963
6. An ecological study of Chaetogaster limnaei( von Baer)

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. 1960
8. 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

9. 1959
10. Calcareous algae of the silurian of the Welsh border

    Green, H. (Awdur), Ebr 1959

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. 1958
12. 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

13. 1953
14. 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