1. 1986
2. Studies in cyclopropene chemistry.

   Dulayymi, A. R.A. (Awdur), Ion 1986

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. 1985
4. An economic approach to assessing the value of recreation with special reference to forest areas.

   Christensen, J. B. (Awdur), Price, C. (Goruchwylydd), Rhag 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. The characterisation and control of ochre deposits in land drainage systems.

   Ap Dewi, I. (Awdur), Chwef 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. Reciprocal transplantations to study local specialisation and the measurement of components of fitness.

   Mackenzie, S. (Awdur), Ion 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. Carbon Allocation in Barley Plants

   Farrar, S. (Awdur), Farrar, J. F. (Goruchwylydd), 1985

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. 1984
9. The biology of reproduction in two British pulmonate slugs.

   Nicholas, J. (Awdur), Hyd 1984

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. 1983
11. An experimental study on the migration of the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera : Noctuidae).

    Parker, W. E. (Awdur), Medi 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Demography of animal modular colonies.

    Cancino, J. M. (Awdur), Meh 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Baleela, A. R. H. (Awdur), Ion 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. 1982
15. Distribution, concentration and bonding factors affecting the performance of water repellents applied to wood

    Razzaque, M. A. (Awdur), Medi 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth