1. 1953
2. The study of some phenomena observed with monochromatic X-ray beams.

   Jones, G. P. (Awdur), Owen, E. A. (Goruchwylydd), Medi 1953

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. 1958
4. A Study in the Experimental Taxonomy of some British Sphagha (section Cuspidata),with observations of their ecology.

   Agnew, S. (Awdur), 5 Mai 1958

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. 1959
6. Calcareous algae of the silurian of the Welsh border

   Green, H. (Awdur), Ebr 1959

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. 1960
8. Seasonal changes in the plankton of inshore waters: with special reference to the life history of certate copepods

   Haq, S. M. (Awdur), 1960

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. 1963
10. A behaviourist approach to pyscho-analysis

    Miles, T. R. (Awdur), 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. An ecological study of Chaetogaster limnaei( von Baer)

    Gruffydd, L. D. (Awdur), Ebr 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. 1965
13. Children's leisure-reading tastes and habits in relation to age, sex, intelligence and other factors

    Leng, I. J. (Awdur), 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. Comparative studies in the pathology of radiomimetic conditions

    Mason, J. (Awdur), Medi 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

15. 1966
16. Studies on the nutrition and feeding of the larvae of the large cabbage white butterfly, Pieris brassicae L.

    Akhtar, M. (Awdur), 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

17. Studies on fossil plants of Karoo age from Central & Southern Africa

    Williams, P. (Awdur), Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

18. The genetics and evolution of differences between closely adjacent plant populations, with special reference to heavy metal tolerance

    Antonovics, J. (Awdur), Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

19. Studies on plant microfossils from the Carboniferous of North Wales

    Hibbert, F. A. (Awdur), Ebr 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

20. Studies in the flora of the Rhynie chert

    Saadawy, W.E.-S. (Awdur), Meh 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

21. 1968
22. A critical examination of the Teacher Training in Wales, 1846-1898

    Rees, L. M. (Awdur), 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

23. Temporal orientation of behaviour.

    Harzem, P. (Awdur), 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

24. A comparative study of morphology, behaviour and ecology of Chaetogaster Limnaei ( von Baer) from several host species

    Buse, A. (Awdur), Medi 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

25. 1970
26. An examination of some leading motifs in the prophetic oracles against foreign nations

    Jones, G. H. (Awdur), Medi 1970

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

27. Studies on organ cultures of slug reproductive tracts

    Bailey, T. G. (Awdur), Medi 1970

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

28. 1971
29. An assessment of the contribution of Sir Hugh Owen to education in Wales

    Davies, B. L. (Awdur), 1971

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

30. The population biology of Littorina obtusata (L) (Gastropoda: Prosobranchiata).

    Guiterman, J. D. (Awdur), Hyd 1971

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

31. 1972
32. The natural vegetation of the Sabah and natural regeneration of the Dipterocarp Forests.

    Fox, J. E. D. (Awdur), Meh 1972

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

33. 1973
34. Some aspects of gerundials and infinitivals in English

    Mukattash, L. M. (Awdur), Maw 1973

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

35. The effects of trampling and vehicles on natural vegetation.

    Liddle, M. (Awdur), P. Greig-Smith, P. (Goruchwylydd), Mai 1973

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

36. 1974
37. Topological groupoids: coverings and universal constructions

    Hardy, J. P. L. (Awdur), Chwef 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

38. Topological groupoids, measures and representations

    Seda, A. K. (Awdur), Mai 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

39. Scientific principles in psychodynamic interpretation.

    Cheshire, N. M. (Awdur), Meh 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

40. A study of excretion in the slug Agriolimax reticulatus

    Garner, J. (Awdur), Medi 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

41. R. H. Tawney and the reform of English education

    Brooks, R. (Awdur), Medi 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

42. 1975
43. Stimulus control of time-related behaviour.

    Lowe, C. F. F. (Awdur), 1975

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

44. The Mostyn family and estate, 1200 - 1642

    Carr, A. (Awdur), Williams, J. G. (Goruchwylydd), 1975

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

45. Schedule control of temporally based behaviour.

    Cullen, C. N. (Awdur), Chwef 1975

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

46. Discriminative control of operant response latency on temporally-based schedules.

    Davey, G. (Awdur), Maw 1975

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

47. 1976
48. Determinants of variability in the behaviour of the severely retarded.

    Woods, P. A. (Awdur), 1976

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

49. Stimulus effects of reinforcement on variable-interval and variable-ratio schedules of reinforcement.

    Priddle-Higson, P. J. (Awdur), 1976

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

50. Union theorems for double groupoids and groupoids: some generalisations and applications

    Sallen, A. R. B. (Awdur), Brown, R. (Goruchwylydd), 1976

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

51. Affiliation Motivation : A Psychological Examination of Some Aspects of its Origins, Nature and Effects

    Baker, C. R. (Awdur), Ion 1976

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

52. An economic evaluation of a value added tax for Greece

    Dalamagas, B. (Awdur), Medi 1976

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

53. 1977
54. A study of information processing in dyslexic subjects

    Wheeler, T. J. (Awdur), Ebr 1977

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

55. 1978
56. The use of instability as the dependent variable in the study of young children's spelling.

    Dobson, C. (Awdur), 1978

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

57. The Philosophy of History and the Philosophy of Religions in the work of Edgar Quinet

    Crossley, E. (Awdur), Ion 1978

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

58. Dysgu Cymraeg rhwng 1847 a 1927

    Jones, G. A. (Awdur), 10 Ion 1978

    Traethawd ymchwil myfyriwr: Doethuriaethau Proffesiynol

59. Feeding and growth in an inshore population of plaice, Pleuronectes Platessa L

    Basimi, R. A. (Awdur), Tach 1978

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

60. 1979
61. Control of the postreinforcement pause in the continuous reinforcement schedule.

    Harzem, A. L. (Awdur), Miles, T. R. (Goruchwylydd), 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

62. Some determinants of the postreinforcement pause on temporally-defined schedules.

    Spencer, P. T. (Awdur), Lowe, F. (Goruchwylydd), 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Sakkas, G. A. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

64. Electrophilic Substitution in Aromatic Systems

    Jones, B. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

65. Studies in Antarctic palaeobotany.

    Lucas, R. C. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

66. The history of forests and forestry in Wales up to the formation of the Forestry Commission

    Linnard, W. (Awdur), Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

67. Biochemical aspects of fascioliasis in domestic and experimental animals.

    Gameel, A. A. R. (Awdur), Meh 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

68. Factors influencing competition and mortality in barnacles.

    Barnett, B. E. (Awdur), Meh 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

69. Temporal control of animal operant performance.

    Whitaker, J. S. (Awdur), Lowe, F. (Goruchwylydd), Hyd 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

70. 1980
71. Human operant behavior: determinants of human fixed-interval performance.

    Bagshaw, M. (Awdur), 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

72. Food selection by the rabbit.

    Soane, G. A. (Awdur), Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Minjarez, R.D. (Awdur), Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

74. Functional analyses of reading and short-term memory in dyslexic children.

    Ellis, N. C. (Awdur), Ebr 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

75. The distribution and biodegradation of urea in costal waters

    Turley, C. M. (Awdur), Awst 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

76. Invasion of host tissue by infective larvae of Ascaris suum (Goeze, 1782)

    Arene, F. O. I. (Awdur), Tach 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

77. 1981
78. The development of guidance and counselling in North Wales secondary schools from 1965 to the present day

    Rees, W. D. C. (Awdur), 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

79. Elementary education in Caernarvonshire 1839-1902

    Williams, H. G. (Awdur), Ion 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Mohammad, S. Y. (Awdur), Maw 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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

    Mahmoud, F. M. S. (Awdur), Mai 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

82. Basic needs fulfilment and the evaluation of land use alternatives with special reference to forestry in Kerala State, India.

    Nair, C. T. S. (Awdur), Awst 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

83. Attitudinal aspects of Arabic-French billingualism in Morocco.

    Bentahila, A. (Awdur), Medi 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

84. Loan management in Nigerian banks : a study of the efficiency of commercial banks' lending function in a developing economy.

    Adewunmi, O. (Awdur), Medi 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

85. Olfactory stimuli and social behaviour in the guinea pig

    Lang, G. N. (Awdur), Medi 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

86. Studies on the ecology of Littorina Obtusata

    Hollingworth, C. E. (Awdur), Medi 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

87. Welsh students at Oxford, Cambridge and the inns of court during the sixteenth and early seventeenth centuries.

    Griffith, W. P. (Awdur), Hyd 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

88. Biosystematic and cytological studies of mosses and liverworts.

    Abderrahman, S. M. M. (Awdur), Rhag 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

89. Some aspects of growth and behaviour in the juvenile lobster HOMARUS GAMMARUS (LINNAEUS)

    Richards, P. R. (Awdur), Rhag 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

90. 1982
91. A study of paired associate learning and sequential memory in dyslexic and non-dyslexic subjects.

    Done, D. J. (Awdur), 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

92. A study of some of the factors which determine the degree of bilingualism of a Welsh child between 10 and 13 years of age

    Price-Jones, E. (Awdur), Baker, C. (Goruchwylydd), 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

93. The dynamics of small-scale fronts in estuaries.

    Nunes, R. A. (Awdur), Mai 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

94. Towards a science of human action: an investigation into the applicability of the "self-identification form" of Kelly's Rep. Test to selected areas of occupational, educational and medical description.

    Knasel, E. G. (Awdur), Gorff 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

95. Digestion and the systemic control of appitite in the dab, Limanda limanda (L.)

    Fletcher, D. J. (Awdur), Awst 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

96. 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

97. The application of new techniques to the study of planktonic organisms.

    Yule, A. B. (Awdur), Medi 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

98. 1983
99. Adjustment problems of Zambian University students

    Wilson, B. N. (Awdur), 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

100. The integration of educationally subnormal children in primary schools in Wales

     Lowden, G. D. (Awdur), 1983

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

101. 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

102. Foreign aid and economic development : A case study of the Sudan's experience of growth and development with foreign aid 1960-1980

     Elzubear, M. K. A. (Awdur), Ion 1983

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

103. The theology of the Charismatic Movement in Britain from 1964 to the present day.

     Mather, A. R. (Awdur), Ion 1983

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

104. The origins and development of the School Medical Service 1870-1919.

     Hirst, D. (Awdur), Chwef 1983

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

105. The phytoplankton of the southern ocean: some factors affecting its distribution during the austral summer of 1978/79

     Hayes, P. K. (Awdur), Ebr 1983

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

106. Demography of animal modular colonies.

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

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

107. Verbal control of human operant behaviour.

     Bentall, R. P. (Awdur), Miles, T. R. (Goruchwylydd), Awst 1983

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

108. 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

109. 1984
110. A study of the behavioural profiles of elite slalom canoeists

     Baker, S. J. (Awdur), Hardy, L. (Goruchwylydd), 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

111. Determinants of operant behaviour in the mentally retarded

     Smith, P. S. (Awdur), Lowe, F. (Goruchwylydd), 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

112. Determinants of temporal control in operant performance

     Blomeley, F. J. (Awdur), Lowe, F. (Goruchwylydd), 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

113. Hormones in Cirripedes

     Clare, A. (Awdur), Walker, G. (Goruchwylydd), 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

114. A comparative study of the doctrines of atonement and justification in the writings of John Owen (1616-1683) and John Wesley (1703-1791) : With considerations of the middle-way contributions of Richard Baxter (1615-1691) and John Tillotson (1630-1694) and the theology of the Protestant Reformers.

     Clifford, A. C. (Awdur), Ion 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

115. Chance-constrained and nonlinear goal programming

     El-Dash, A. A. (Awdur), Ion 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

116. Llysieulyfr William Salesbury : testun o lawysgrif Ll.G.C. 4581, Ynghyd a rhagymadrod ac astudiaeth o'r enwau llysiau Cymraeg a geir ynddo.

     Edgar, I. R. (Awdur), Ion 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

117. Banking structure and performance : a study of the Nigerian banking system and its contribution to Nigeria's economic development, 1960-1980.

     Agu, C. C. (Awdur), Gorff 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

118. Crossed modules and their higher dimensional analogues

     Graham, E. (Awdur), Gorff 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

119. Estimation of genetic parameters in a commercial pig breeding population

     Williamson, B. G. (Awdur), Medi 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

120. The biology of reproduction in two British pulmonate slugs.

     Nicholas, J. (Awdur), Hyd 1984

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

121. 1985

122. Carbon Allocation in Barley Plants

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

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

123. Dimension and hierarchy in the description of psychological disorder

     Hargreaves, I. R. (Awdur), 1985

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

124. Medieval and modern new towns : a comparative study.

     Harrison, R. (Awdur), Ion 1985

     Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth