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

   Green, H. (Author), 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.

   Agnew, S. (Author), 5 May 1958

   Student thesis: Doctor of Philosophy