Llyfryddiaeth:
- Berresford Ellis, Peter, a Mac a’ Ghobhainn, Seamus (1971), The problem of language revival: Examples of language survival (Inverness: Club Leabhar).
- Davies, Janet (2ail argraffiad, 2000), ‘Welsh’, yn Price, Glanville (gol.), Languages in Britain and Ireland (Oxford: Blackwell), tt. 78-208.
- Gendall, Richard (1988), ‘Geiriau Benthyg a Bathu Termau’, Carn, 61, Gwanwyn, 12.
- Hill, Sarah (2007), ‘Blerwytirhwng?’: The Place of Welsh Pop Music (Aldershot: Ashgate).
- Hosokawa, Shuhei (1984), ‘The Walkman Effect’, Popular Music 4: Performers and Audiences, 165-80.
- Iwan, Dafydd (1977), ‘Y Byd Cymraeg’, pamffled ‘Twrw Tanllyd’ (dim manylion cyhoeddwr), t. 9.
- Jones, Craig Owen (2013, i’w chyhoeddi), “Still Here’?: A Geospatial Survey of Welshlanguage Popular Music’, yn Sara Cohen, Robert Knifton, Marion Leonard, a Les Roberts (goln), Sites of Popular Music Heritage: Memories, Histories, Places (London: Routledge).
- Jones, R. Emrys (1964), Termau Theatr (Caerdydd: Gwasg Prifysgol Cymru).
- Jones, Morris (1973), ‘The Present Condition of the Welsh Language’, yn Stephens, Meic (gol.), The Welsh Language Today (Llandysul: Gomer), tt. 110-26.
- Merriman, Peter, a Jones, Rhys (2009), ‘‘Symbols of Justice’: the Welsh Language Society’s campaign for bilingual road signs in Wales, 1967-1980’, Journal of Historical Geography, 35, 350-75’.
- Parry-Williams, T. H. (1923), The English Element in Welsh (London: Honourable Society of Cymmrodorion).
- Phillips, Dylan (1998), Trwy Ddulliau Chwyldro…?: Hanes Cymdeithas yr Iaith Gymraeg 1962-1992 (Llandysul: Gomer).
- Schäffner, Christina (2003), ‘Third Ways and New Centres: Ideological Unity or Difference?’, yn Calzada Pérez, María (gol.), Appropos of Ideology: Translation Studies on Ideology – Ideologies in Translation Studies (Manchester: St Jerome Publishing), tt. 23-41.
- Smith, Robert (2000), ‘Newyddiaduraeth a’r Iaith Gymraeg’, yn Jenkins, Geraint H. a Williams, Mari A. (goln), ‘Eu Hiaith a Gadwant’?: Y Gymraeg yn yr Ugeinfed Ganrif (Caerdydd: Gwasg Prifysgol Cymru), tt. 267-98.
- Stephens, Meic (gol.) (1973), The Welsh Language Today (Llandysul: Gomer).
- Williams, Jac L. (gol.) (1973), Geiriadur Termau/Dictionary of Terms (Caerdydd: Gwasg Prifysgol Cymru).
- Thomas, R. S. (1992), Cymru or Wales? (Llandysul: Gomer).
Cylchgronau a phapurau newydd
- Asbri
- Y Cymro
- Dracht
- Sgrech
- Swn
- Edward H. Dafis, ffilm ddogfen (darlledwyd 10fed Medi 1976).
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