1. 1981
2. Studies on the male reproductive cycle in the lizard Chalcides Ocellatus.

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

   Awdur: Mohammad, S. Y., Maw 1981

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. 1980
5. 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

6. The distribution and biodegradation of urea in costal waters

   Awdur: Turley, C. M., Awst 1980

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. Food selection by the rabbit.

   Awdur: Soane, G. A., Ion 1980

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

   Awdur: Minjarez, R. D., Ion 1980

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. 1979
10. Biochemical aspects of fascioliasis in domestic and experimental animals.

    Awdur: Gameel, A. A. R., Meh 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. Factors influencing competition and mortality in barnacles.

    Awdur: Barnett, B. E., Meh 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. An economic appraisal of forestry and the forest industries of Greece 1950-1990.

    Awdur: Sakkas, G. A., Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Electrophilic Substitution in Aromatic Systems

    Awdur: Jones, B., Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth