1. Doctor of Philosophy
2. Wyn Roberts: The Blue Dragon?: Conservatism, Welsh Patriotism and North Wales c. 1970s- 1990s.

   Author: Day, M., 15 Aug 2022

   Supervisor: Mann, R. (Supervisor) & Wiliam, M. (Supervisor)

   Student thesis: Doctor of Philosophy

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

   Author: Jones, M. M. & Jones, M., Jan 2012

   Supervisor: Davies, J. (Supervisor)

   Student thesis: Doctor of Philosophy

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

   Author: Tudud, R., 2000

   Supervisor: Jones, D. G. (External person) (Supervisor)

   Student thesis: Doctor of Philosophy

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

   Author: Ifan, E., Jan 2017

   Supervisor: Davies, J. (Supervisor)

   Student thesis: Doctor of Philosophy

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

   Author: Pritchard, S., 12 Apr 2010

   Supervisor: Prys, C. (Supervisor) & Hodges, R. (Supervisor)

   Student thesis: Doctor of Philosophy

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

   Author: Rudiger, A., 20 Jan 2022

   Supervisor: Jones, A. (Supervisor)

   Student thesis: Doctor of Philosophy

8. Ymchwilio Addysg Ddwyieithog yn Ysgolion Cymru: Amrywiaeth Caleidosgopig

   Author: Jones, B., 2017

   Supervisor: Thomas, E. (Supervisor)

   Student thesis: Doctor of Philosophy

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

   Author: Jones, I. M., Jan 2018

   Supervisor: Lynch, P. (Supervisor)

   Student thesis: Doctor of Philosophy

10. Ynys: Portffolio a dadansoddiad o broses greadigol

    Author: Roberts, C., 22 May 2019

    Supervisor: Price, A. (Supervisor)

    Student thesis: Doctor of Philosophy

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

    Author: Pritchard, H., Jan 2015

    Supervisor: Jones, D. (Supervisor)

    Student thesis: Doctor of Philosophy