Ysgol Gwyddorau Amgylcheddol a Naturiol
- 1966
Studies in the flora of the Rhynie chert
Awdur: Saadawy, W. E., Meh 1966Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Studies on plant microfossils from the Carboniferous of North Wales
Awdur: Hibbert, F. A., Ebr 1966Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Studies on fossil plants of Karoo age from Central & Southern Africa
Awdur: Williams, P., Ion 1966Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The genetics and evolution of differences between closely adjacent plant populations, with special reference to heavy metal tolerance
Awdur: Antonovics, J., Ion 1966Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Studies on the nutrition and feeding of the larvae of the large cabbage white butterfly, Pieris brassicae L.
Awdur: Akhtar, M., 1966Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1965
Comparative studies in the pathology of radiomimetic conditions
Awdur: Mason, J., Medi 1965Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1963
An ecological study of Chaetogaster limnaei( von Baer)
Awdur: Gruffydd, L. D., Ebr 1963Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1959
Calcareous algae of the silurian of the Welsh border
Awdur: Green, H., Ebr 1959Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1958
A Study in the Experimental Taxonomy of some British Sphagha (section Cuspidata),with observations of their ecology.
Awdur: Agnew, S., 5 Mai 1958Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth