1. 2023
2. Beirdd a Gwŷr Llên: rhai rhwydweithiau llawysgrifol yng Nghymru, c.1450–c.1800

   Edwards, G. (Author), Lynch, P. (Supervisor), 1 Jun 2023

   Student thesis: Doctor of Philosophy

3. The Middle Class and Elite of the Liverpool Welsh, 1840-1920

   Owen, W. (Author), Lynch, P. (Supervisor), 2023

   Student thesis: Master of Philosophy

4. 2022
5. Astudiaeth o Ddylanwad Celtigrwydd ar Lyfrau Teithio Cymraeg am Lydaw ac Iwerddon yn yr Ugeinfed Ganrif

   Hughes, L. T. (Author), Lynch, P. (Supervisor), 31 Mar 2022

   Student thesis: Doctor of Philosophy

6. 2018
7. 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

8. 2014
9. Arolwg o'r canu i deulu Mostyn, ynghyd â golygiad o'r cerddi o'r cyfnod c.1675-1692

   Jones, E. (Author), Lynch, P. (Supervisor), 28 Aug 2014

   Student thesis: Doctor of Philosophy

10. Gwaith barddonol Ieuan ap Gruffudd Leiaf, Robert Leiaf, Syr Siôn Leiaf a Rhys Goch Glyndyfrdwy

    Taylor, J. (Author), Lynch, P. (Supervisor), Jan 2014

    Student thesis: Doctor of Philosophy

11. 2012
12. Cerddi mawl Robin Ddu o Fôn

    Williams, H. H. (Author), Lynch, P. (Supervisor), Jan 2012

    Student thesis: Doctor of Philosophy