1. 1959
2. Calcareous algae of the silurian of the Welsh border

   Author: Green, H., Apr 1959

   Student thesis: Doctor of Philosophy

3. 1958
4. 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