1. 1963
2. An ecological study of Chaetogaster limnaei( von Baer)

   Author: Gruffydd, L. D., Apr 1963

   Student thesis: Doctor of Philosophy

3. 1960
4. Seasonal changes in the plankton of inshore waters: with special reference to the life history of certate copepods

   Author: Haq, S. M., 1960

   Student thesis: Doctor of Philosophy

5. 1959
6. Calcareous algae of the silurian of the Welsh border

   Author: Green, H., Apr 1959

   Student thesis: Doctor of Philosophy

7. 1958
8. A Study in the Experimental Taxonomy of some British Sphagha (section Cuspidata),with observations of their ecology.

   Author: Agnew, S., 5 May 1958

   Student thesis: Doctor of Philosophy