1. 1965
2. Comparative studies in the pathology of radiomimetic conditions

   Mason, J. (Awdur), Medi 1965

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. 1963
4. An ecological study of Chaetogaster limnaei( von Baer)

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

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5. 1960
6. 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

7. 1959
8. Calcareous algae of the silurian of the Welsh border

   Green, H. (Awdur), Ebr 1959

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9. 1958
10. 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