1. Wyneb yn wyneb Hunaniaethau llenyddol Cymraeg a Chymreig yn erbyn cefndir refferenda 1979 a 1997

   Jones, M. M. (Author) & Jones, M. (Author), Davies, J. (Supervisor), Jan 2012

   Student thesis: Doctor of Philosophy

2. Y Cymro 1932-45: Hanes sefydlu Y Cymro, ei ddatblygiad a'i gynnwys hyd ddiwedd yr ail ryfel byd.

   Tudud, R. (Author), Jones, D. G. (Supervisor), 2000

   Student thesis: Doctor of Philosophy

3. Y Gelefyddyd Gymodlawn': Gwaith T. Gwynn Jones a cherddoriaeth

   Ifan, E. (Author), Davies, J. (Supervisor), Jan 2017

   Student thesis: Doctor of Philosophy

4. Y Gymraeg o fewn y byd digidol: Profiadau ac agweddau siaradwyr Cymraeg yng Ngwynedd o ddefnyddio apiau Cymraeg neu ddwyieithog

   Pritchard, S. (Author), Prys, C. (Supervisor) & Hodges, R. (Supervisor), 12 Apr 2010

   Student thesis: Doctor of Philosophy

5. Y Tylwyth Teg. An Analysis of a Literary Motif.

   Rudiger, A. (Author), Jones, A. (Supervisor), 20 Jan 2022

   Student thesis: Doctor of Philosophy

6. Y faled yng Nghymru

   Oqwn, D. (Author), 1989

   Student thesis: Masters by Research

7. Ymchwilio Addysg Ddwyieithog yn Ysgolion Cymru: Amrywiaeth Caleidosgopig

   Jones, B. (Author), Thomas, E. (Supervisor), 2017

   Student thesis: Doctor of Philosophy

8. Ymrestru o dan y Faner: Dadansoddiad o’r modd yr atgynhyrchwyd cenedlaetholdeb gan sefydliadau a gweisg Cymraeg Cymru yn y 19eg ganrif

   Jones, I. M. (Author), Lynch, P. (Supervisor), Jan 2018

   Student thesis: Doctor of Philosophy

9. Ynys: Portffolio a dadansoddiad o broses greadigol

   Roberts, C. (Author), Price, A. (Supervisor), 22 May 2019

   Student thesis: Doctor of Philosophy

10. Yr Awdurdodaeth Gymreig: Dadansoddiad o Ddatblygiad a Chyfraniad Tribiwnlysoedd Cymreig i Awdurdodaeth Gyfreithiol ar wahân i Gymru

    Pritchard, H. (Author), Jones, D. (Supervisor), Jan 2015

    Student thesis: Doctor of Philosophy

11. Yr awen ddemocrateiddiol : agweddau ar waith Gwyn Thomas, 1962-2010

    Williams, E. A. (Author), 2014

    Student thesis: Doctor of Philosophy

12. Yr iaith Gymraeg a Mudiad Ysgolion Meithrin

    Gareth, E. L. (Author), Oct 2003

    Student thesis: Doctor of Philosophy

13. Yr un hen stori a’r ffilm yn fy mhen: portffolio a dadansoddiad o broses greadigol

    Northey, S. (Author), Wiliams, G. (Supervisor) & Price, A. (Supervisor), 2018

    Student thesis: Doctor of Philosophy

14. c.G. Jung's reception of Picasso and abstract art

    Hill, L. (Author), Huskinson, L. (Supervisor), 7 Jul 2020

    Student thesis: Doctor of Philosophy

15. Ælfric's Old English Admonition to a spiritual son : an edition

    Lockerbie-Cameron, M. A. (Author), Jan 1998

    Student thesis: Doctor of Philosophy

16. ‘Mae’r Beibl o’n tu’: Y dadleuon Beiblaidd ynghylch caethwasiaeth ar dudalennau gwasg gyfnodol Gymraeg America, 1838-1868

    Evans-Jones, G. H. (Author), Davies, E. (Supervisor) & Hunter, T. (Supervisor), Jan 2017

    Student thesis: Doctor of Philosophy

17. ‘Sche evyr desyryd mor and mor’: The appropriation of mercantile language and practice in fifteenth to seventeenth-century English women’s writing

    Kay Price, V. (Author), Niebrzydowski, S. (Supervisor) & Wilcox, H. (Supervisor), 25 May 2021

    Student thesis: Doctor of Philosophy

18. ‘The Heart Is A Lonely Hunter’: William Sharp and the Literary Network

    Heaton-Callaway, M. (Author), Durrant, M. (Supervisor) & Koehler, K. (Supervisor), 14 Aug 2023

    Student thesis: Doctor of Philosophy