1. Chapter › Research › Not peer-reviewed
2. Published

   Cynan a'i Frwydr Hir a'r Rhyfel Mawr

   Wiliams, G., 29 Jun 2016, Creithiau: Dylanwad y Rhyfel Mawr Ar Gymdeithas a Diwylliant Yng Nghymru. Matthews, G. (ed.). 2016 ed. Caerdydd: University of Wales Press, p. 217-240 23 p. (Y Meddwl a'r Dychymyg Cymreig).

   Research output: Chapter in Book/Report/Conference proceeding › Chapter

3. Published

   Yr Ianci o'r Blaenau: Golwg ar Gerddi Gwyn Thomas, 1962-1981.

   Wiliams, G. & Walford Davies, J. (Editor), 1 Jan 2007, Gweledigaethau: Cyfrol Deyrnged yr Athro Gwyn Thomas. 2007 ed. Cyhoeddiadau Barddas, p. 242-68

   Research output: Chapter in Book/Report/Conference proceeding › Chapter

4. Entry for encyclopedia/dictionary › Research › Not peer-reviewed
5. Published

   LLYWELYN-WILLIAMS, ALUN (ALUN RHUN LLEWELYN WILLIAMS), (1913 - 1988), bardd a beirniad llenyddol

   Wiliams, G., 7 Aug 2018, Y Bywgraffiadur Cymreig. National Library of Wales (NLW)

   Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary

6. Foreword/postscript › Research › Not peer-reviewed
7. Published

   'Gwyn Thomas (1936-2016): Gŵr Geiriau a Dyn Lluniau' yn y rhaglen 'Theatr Genedlaethol Cymru mewn partneriaeth â Cadw a gyda chefnogaeth gan Chapter'

   Wiliams, G., 2017, Macbeth [rhaglen cynhyrchiad]. p. 4-5

   Research output: Chapter in Book/Report/Conference proceeding › Foreword/postscript

8. Published

   'Hedd Wyn a Chynan'; cyhoeddiad dwyieithog - 'Hedd Wyn and Cynan'

   Wiliams, G., 2017, 'Hedd Wyn a Chynan'. p. 12 1 p.

   Research output: Chapter in Book/Report/Conference proceeding › Foreword/postscript

9. Published

   'Rhagymadrodd'

   Wiliams, G., 2014, Gwaed Gwirion. 2014 ed. Llandysul: Gwasg Gomer, p. v-lvi 51 p.

   Research output: Chapter in Book/Report/Conference proceeding › Foreword/postscript

10. Other contribution › Research › Not peer-reviewed
11. Published

    Bedd Hugh Emyr Davies

    Wiliams, G., 2019, historypoints.org.

    Research output: Other contribution

12. Published

    Beddi Ynys Tysilio, Porthaethwy

    Wiliams, G., 2019

    Research output: Other contribution

13. Published

    Bro Helen Rowlands, Menai Bridge

    Owen, H. W. & Wiliams, G., 2019, historypoints.org.

    Research output: Other contribution

14. Published

    Cyn-gartref Islwyn Ffowc Elis, Bangor

    Wiliams, G., Kelly, S. & Lindsay, P., 2019, historypoints.org.

    Research output: Other contribution