1. 1983
2. Demography of animal modular colonies.

   Awdur: Cancino, J. M., Meh 1983

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. Ecophysiology of ecotypes : An investigation in the ecophysiology of sand dune ecotypes

   Awdur: Baleela, A. R. H., Ion 1983

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. 1982
5. Distribution, concentration and bonding factors affecting the performance of water repellents applied to wood

   Awdur: Razzaque, M. A., Medi 1982

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. 1981
7. Biosystematic and cytological studies of mosses and liverworts.

   Awdur: Abderrahman, S. M. M., Rhag 1981

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. Studies on the ecology of Littorina Obtusata

   Awdur: Hollingworth, C. E., Medi 1981

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. Studies on the male reproductive cycle in the lizard Chalcides Ocellatus.

   Awdur: Mahmoud, F. M. S., Mai 1981

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. Micronutrient studies on cotton growth on Syrian calcareous soils.

    Awdur: Mohammad, S. Y., Maw 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. 1980
12. Invasion of host tissue by infective larvae of Ascaris suum (Goeze, 1782)

    Awdur: Arene, F. O. I., Tach 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Food selection by the rabbit.

    Awdur: Soane, G. A., Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. Studies on plant-animal interactions : Terrestrial molluscs and their food plants.

    Awdur: Minjarez, R. D., Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth