Cofeb Llywelyn ap Gruffudd, ein Llyw Olaf, Cilmeri, Brycheiniog - Gwibdaith Adran y Gymraeg, Prifysgol Cymru, Aberystwyth, 6 Mai 1987
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Studierien ha kelennerien eus Skol-Veur Aberystwyth / Oileanaich agus òraidichean bho Oilthigh Aberystwyth / Mic-léinn agus léachtóirí as Ollscoil Aberystwyth / Students and lecturers from Aberystwyth University
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Cymraeg:
cy.wikipedia.org/wiki/Cilmeri
cy.wikipedia.org/wiki/Llywelyn_ap_Gruffudd
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Brezhoneg:
br.wikipedia.org/wiki/Cilmeri
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Euskara
eu.wikipedia.org/wiki/Llywelyn_ap_Gruffudd
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English
en.wikipedia.org/wiki/Llywelyn_ap_Gruffudd
