1. Published

   Cynan a rocfeirdd y Clarence Hotel, 1924

   Wiliams, G., 1 Oct 2019, In: Llên Cymru. 42, p. 141-162

   Research output: Contribution to journal › Article › peer-review

2. Published

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

   Wiliams, G. & Walford Davies, J. (ed.), 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

3. Published

   Bu Cynan Yma: Sensoriaeth Gymraeg, 1931-1968

   Wiliams, G., 1 Oct 2013, Ysgrifau Beirniadol XXXII. Gwasg Gee, p. 11-79

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

4. Published

   Cynan: Drama Bywyd Albert Evans Jones (1895-1970)

   Wiliams, G., 22 Oct 2020, Talybont: Y Lolfa. 504 p.

   Research output: Book/Report › Book

5. Published

   Er cof am David Henry Williams

   Wiliams, G., 2019, historypoints.org.

   Research output: Other contribution

6. Published

   'A gafwyd cofio "gwahanol"?

   Wiliams, G., Dec 2018, In: Barn. Rhagfyr/Ionawr 2018/19, 671/672, p. 46-8 3 p.

   Research output: Contribution to journal › Article

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

   Chwilio am Albert Evans-Jones: Ailedrych ar Gerddi Rhyfel Cynan.

   Wiliams, G., 1 Jul 2010, In: Llên Cymru. 33, 1, p. 151-177

   Research output: Contribution to journal › Article › peer-review

9. Published

   Rhwng Gwibdaith a Coldplay

   Wiliams, G., 26 Jul 2011, Unknown Publisher.

   Research output: Book/Report › Book

10. Published

    'Fforio'r Terra Incognito': Adolygu gyrfa lenyddol y diweddar Siôn Eirian

    Wiliams, G., 1 Aug 2020, In: Barn. Awst 2020, 691, p. 33-35 3 p.

    Research output: Contribution to journal › Article

11. Published

    Beddi Ynys Tysilio, Porthaethwy

    Wiliams, G., 2019

    Research output: Other contribution

12. Published

    Cyn-gartref Islwyn Ffowc Elis, Bangor

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

    Research output: Other contribution

13. Published

    Cardiau Post

    Wiliams, G. & Rhys Parri, L., 27 Sept 2018, Gwasg y Bwthyn. 80 p.

    Research output: Book/Report › Book

14. Published

    Absalom fy Mab (1957) Cynan: troednodyn yn hanes y ddrama Gymraeg

    Wiliams, G., Oct 2018, In: Llên Cymru. 41, p. 118-146

    Research output: Contribution to journal › Article › peer-review

15. Published

    Beirniadaeth 'Darn neu ddarnau o lenyddiaeth, ffeithiol neu greadigol neu gyfuniad o'r ddau, a ysgogwyd wrth ddarllen enwau'r meirwon ar gifeb neu gofebau'r Rhyfel Mawr, heb fod dros 3,000 o eiriau. Gall fod yn rhyddiaith, barddoniaeth neu gyfuniad o'r ddau'.

    Wiliams, G. & Lewis, W. G. (ed.), Aug 2017, Eisteddfod Genedlaethol Cymru Ynys Môn 2017 Cyfansoddiadau a Beirniadaethau. Lewis, W. G. (ed.). Llys yr Eisteddfod Genedlaethol, p. 249-58 10 p.

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

16. Published

    '"Ymladd Brwydr Fawr y Gwir": Emynau'r Rhyfel Mawr'

    Wiliams, G., 2014, In: Y Traethodydd. CLXIX, 711, p. 231-52 21 p.

    Research output: Contribution to journal › Article

17. Published

    Tir Newydd: Agweddau ar Lenyddiaeth Gymraeg a'r Ail Ryfel Byd

    Wiliams, G., 1 Jan 2005, University of Wales Press.

    Research output: Book/Report › Book

18. Published

    Tafarn Tawelwch

    Wiliams, G., 1 Jan 2003, Gwasg Carreg Gwalch.

    Research output: Book/Report › Book

19. Published

    Adolygiad ar Robin Gwyndaf, 'Cofio Hedd Wyn - Atgofion Cyfeillion a Detholiad o'i Gerdd'

    Wiliams, G., 2017

    Research output: Non-textual form › Web publication/site

20. Published

    Grave of Elizabeth Holland, Conwy

    Wiliams, G., 2019, historypoints.org.

    Research output: Other contribution

21. 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

22. Published

    Beirniadaeth 'Casgliad o gerddi heb fod mewn cynghanedd gyflawn hyd at 250 o linellau: Breuddwyd'

    Wiliams, G., Jones, C., Jones, N. W., Hughes, J. E. (ed.) & Rhys, M., Aug 2015, Eisteddfod Genedlaethol Cymru Maldwyn a'r Gororau 2015 Cyfansoddiadau a Beirniadaethau. Hughes, J. E. (ed.). Llys yr Eisteddfod Genedlaethol, p. 43-50 8 p.

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

23. Published

    'Twyll llwyddiannus clasur "Cymraeg"'

    Wiliams, G., Sept 2014, In: Barn. 620, Medi 2014, p. 35-6 2 p.

    Research output: Contribution to journal › Article

24. Published

    'Y Rhyfel Mawr, 1914-18: Cloriannu Dwy Gyfrol Gymraeg Ddiweddar': Ysgrif-adolygiad ar Clive Hughes, '"I'r Fyddin Fechgyn Gwalia!" Recriwtio i'r Fyddin yng Nogledd-Orllewin Cymru 1914-1916 (Gwasg Carreg Gwalch, 2014) a Myrddin ap Dafydd (gol.), Beirdd Ffosydd y Gwledydd Celtaidd 1914-1918 (Gwasg Carreg Gwalch, 2014).

    Wiliams, G., 2015, In: Cylchgrawn Cymdeithas Hanes a Chofnodion Sir Feirionnydd. p. 190-199 10 p.

    Research output: Contribution to journal › Book/Film/Article review

25. Published

    Adolygiad ar Gwyn Jenkins, Cymry'r Rhyfel Byd Cyntaf (Tal-y-bont: Y Lolfa, 2014), tt. 223

    Wiliams, G., 2015, In: Y Traethodydd. CLXX, 714, p. 188-92 5 p.

    Research output: Contribution to journal › Book/Film/Article review