Aaron, J. and Williams, C. (2005) Postcolonial Wales. [Place of publication not identified]: University of Wales Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690974960002418&institutionId=2418&customerId=2415.
Baldick, C. (2013) Criticism and literary theory 1890 to the present. Oxon [England]: Routledge. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4746648360002418&institutionId=2418&customerId=2415.
Besbes, K. (2011) Rehabilitating literary theory: a practical guide for the critical and semiotic analysis of poetry and drama. Boca Raton: BrownWalker Press.
Betts, C. (1978) A oedd heddwch? [Cardiff]: Gwasg ap Dafydd.
Bevan, H. (1966) ‘“Syniadau Beirniadol W.J. Gruffydd a T. Gwynn Jones”’, Llên Cymru, 9, pp. 19–32. Available at: http://primo.aber.ac.uk/primo_library/libweb/action/display.do?tabs=detailsTab&ct=display&fn=search&doc=dedupmrg579064&indx=3&recIds=dedupmrg579064&recIdxs=2&elementId=2&renderMode=poppedOut&displayMode=full&frbrVersion=&dscnt=1&fctN=facet_pfilter&rfnGrp=1&frbg=&scp.scps=scope%3A%28ABERU_LMS%29%2Cscope%3A%28ABERU_SFX%29%2Cscope%3A%28ABERU_ML%29&fctV=journals&tab=local&dstmp=1434985145355&srt=date&mode=Basic&dum=true&tb=t&rfnGrpCounter=1&vl(freeText0)=llen%20cymru&vid=ABERU_VU1.
Bevan, H. and Roberts, B.F. (1982) ‘’Syniadau Beirniadol W.J. Gruffydd a T. Gwynn Jones’, Beirniadaeth lenyddol: erthyglau, pp. 111–133.
Bohata, K. (2004) Postcolonialism revisited: writing Wales in English [electronic resource]. Cardiff: University of Wales Press. Available at: http://www.vlebooks.com/vleweb/product/openreader?id=AberystUni&isbn=9780708322369.
Bové, P.A. (1992) In the wake of theory. [Middletown, Conn.]: Wesleyan University Press.
Bowen, D.J. (1999) ‘“Erthygl Saunders Lewis ar Ddafydd”’, Barddas, 252, pp. 34–41.
Bowen, G. (1989) John Morris-Jones: y diwygiwr iaith a llên. Llanfair Pwyllgwyngyll: Undeb y Gymraeg.
Bowen, G. (1998) ‘Siôn Dafydd Rhys ac Institvtiones 1592’’, Llên Cymru, 21, pp. 34–49. Available at: http://primo.aber.ac.uk/primo_library/libweb/action/display.do?tabs=detailsTab&ct=display&fn=search&doc=dedupmrg579064&indx=3&recIds=dedupmrg579064&recIdxs=2&elementId=2&renderMode=poppedOut&displayMode=full&frbrVersion=&dscnt=0&fctN=facet_pfilter&rfnGrp=1&frbg=&scp.scps=scope%3A%28ABERU_LMS%29%2Cscope%3A%28ABERU_SFX%29%2Cscope%3A%28ABERU_ML%29&fctV=journals&tab=local&dstmp=1434715621604&srt=date&mode=Basic&dum=true&tb=t&rfnGrpCounter=1&vl(freeText0)=Llen%20cymru&vid=ABERU_VU1.
Brooks, S. (2008) ‘Arwyddocâd Ideolegol Dylanwad Sigmund Freud ar Saunders lewis’, Llenyddiaeth mewn theori, 3, pp. 29–49.
Brooks, S. (no date) O dan lygaid y Gestapo : yr oleuedigaeth Gymraeg a theori lenyddol yng Nghymru. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690974980002418&institutionId=2418&customerId=2415.
Burke, S. (2008) The death and return of the author: criticism and subjectivity in Barthes, Foucault and Derrida. Third edition. Edinburgh: Edinburgh University Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4691030840002418&institutionId=2418&customerId=2415.
Chapman, T.R. (1993) W.J.Gruffydd. Caerdydd: Gwasg Prifysgol Cymru.
Coleg Cymraeg Cenedlaethol (1992a) Sglefrio ar eiriau: erthyglau ar lenyddiaeth a beirniadaeth [electronic resource]. Edited by J. Rowlands. Llandysul: Gomer. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4691030930002418&institutionId=2418&customerId=2415.
Coleg Cymraeg Cenedlaethol (1992b) Sglefrio ar eiriau: erthyglau ar lenyddiaeth a beirniadaeth [electronic resource]. Edited by J. Rowlands. Llandysul: Gomer. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4691030930002418&institutionId=2418&customerId=2415.
Craig, D. (1975) Marxists on literature: an anthology. Harmondsworth: Penguin.
Cunningham, V. (2002) Reading after theory. Oxford: Blackwell.
Cymdeithas Emynau Cymru (2003) ‘“Symposiwm: Ann a’r Seicatryddion” [ar Ann Griffiths]’, Bwletin Cymdeithas Emynau Cymru [Preprint].
ap Dafydd, I. (2002) ‘“Beirniadaeth gynnar a llythyrau Saunders lewis: teithio, iaith a chenedligrwydd”’, in Ysgrifau beirniadol: 26. Dinbych: Gwasg Gee, pp. 75–95.
Davies, G. (1999) Sefyll yn y bwlch: R.S.Thomas, Saunders Lewis, T.S. Eliot, a Simone Weil. Caerdydd: Gwasg Prifysgol Cymru.
Davies, J.B. (1950) ‘“Saunders Lewis: Cristion a Beirniad”’, in Saunders Lewis: ei feddwl a’i waith. Dinbych: Gwasg Gee, pp. 78–89.
Docherty, T. (1996) After theory. [Place of publication not identified]: Edinburgh University Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690974940002418&institutionId=2418&customerId=2415.
Eagleton, T. (1976) Criticism and ideology: a study in Marxist literary theory. London: NLB.
Eagleton, T. (2002) Marxism and literary criticism [electronic resource]. [New ed.]. London: Routledge. Available at: http://www.vlebooks.com/vleweb/product/openreader?id=AberystUni&isbn=9780203361771.
Eagleton, T. (2008) Literary theory: an introduction [electronic resource]. Anniversary ed., 2nd ed. Malden, Mass: Blackwell Pub. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=6020155970002418&institutionId=2418&customerId=2415.
Eckley, G.L. (1970) Rhai agweddau ar feirniadaeth lenyddol W.J. Gruffydd. Aberystwyth.
Edwards, H.T. (1976) Yr Eisteddfod: cyfrol ddathlu wythganmlwyddiant yr Eisteddfod, 1176-1976. Llandysul: Gwasg Gomer [ar ran] Llys yr Eisteddfod Genedlaethol.
Edwards, H.T. (1978) Baich y bardd. Llandysul: argraffwyd gan Wasg Gomer.
Edwards, H.T. (1980) ‘Gŵyl Gwalia’: yr Eisteddfod Genedlaethol yn oes aur Victoria 1858-1868. Llandysul: Gwasg Gomer.
Emyr, J. (1986) Dadl grefyddol Saunders Lewis ac W.J. Gruffydd. Pen-y-bont: Llyfrgell Efengylaidd Cymru.
Evans, D.F. (2006a) ‘“‘Bardd Arallwlad’, Dafydd ap Gwilym a Theori Drefedigaethol”’, in Llenyddiaeth mewn theori. Caerdydd: Gwasg Prifysgol Cymru, pp. 39–72.
Evans, D.F. (2006b) ‘“Cyngor y Biogen”: Ecoleg a Llenyddiaeth Gymraeg’, Llenyddiaeth mewn theori, 1, pp. 41–79.
Goronwy-Roberts, M. (1981) W. J. Gruffydd. [S.l.]: Cyhoeddiadau Barddas.
Green, D. (2009) Emyr Humphreys: a postcolonial novelist? Cardiff: University of Wales Press. Available at: http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=3037262700002418&institutionId=2418&customerId=2415.
Gregson, I. (2004) Postmodern literature. London: Arnold.
Gruffydd, W.J. (2013) Eira llynedd ac ysgrifau eraill gan W. J. Gruffydd. Aberystwyth: Dalen Newydd.
Gruffydd, W.J. and Jones, B. (1991) Yr hen ganrif: beirniadaeth lenyddol. Caerdydd: Yr Academi Gymreig a Hughes a’i Fab.
Hallam, T. (2007) Canon ein llên: Saunders Lewis, R.M. Jones ac Alan Llwyd. Caerdydd: Gwasg Prifysgol Cymru.
Hopwood, M. (2004) Singing in chains: listening to Welsh verse. Llandysul: Gomer.
Hunter, J. (2002) ‘“Mole Vama”’, Barn, 479/480.
James, A. (1987) John Morris-Jones. Cardiff: University of Wales Press on behalf of the Welsh Arts Council.
James, A. (2011) John Morris-Jones [electronic resource]. Caerdydd: Gwasg Prifysgol Cymru. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4987097260002418&institutionId=2418&customerId=2415.
James, A. et al. (2011) John Morris-Jones. Caerdydd: Gwasg Prifysgol Cymru. Available at: http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=3037252710002418&institutionId=2418&customerId=2415.
Jarvis, M. (2025) Welsh Environments in Contemporary Poetry. Cardiff: University of Wales Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4735066680002418&institutionId=2418&customerId=2415.
Jenkins, D. (1998) ‘“Cyfarthion corieithgi: Cymraeg John Morris-Jones”’, Taliesin, 102, pp. 66–77.
Jenkins, G.H. (1989) Y Chwyldro Ffrengig a Voltaire Cymru. Caerdydd: Prifysgol Cymru.
Jenkins, K. (1994a) ‘Yr Eisteddfod a Beirniadaeth Lenyddol’, Taliesin, 86, pp. 43–55.
Jenkins, K. (1994b) ‘Yr Eisteddfod a Beirniadaeth Lenyddol’, Taliesin, 86, pp. 43–55.
Johnston, D. (1987) ‘“Dadeni’r Canu Caeth”’, Barddas, 123/124.
Jones, B. (1967) ‘Pwnc Mawr Beirniadaeth Lenyddol Gymraeg’, in Ysgrifau beirniadol: 3. Dinbych: Gwasg Gee, pp. 253–288.
Jones, B. (1977) Llên Cymru a chrefydd: diben y llenor. Abertawe: C. Davies, pp. 198–223.
Jones, B. (2003) Beirniadaeth gyfansawdd: fframwaith cyflawn beirniadaeth lenyddol. Abertawe: Cyhoeddiadau Barddas.
Jones, D.G. (2012) Beirniadaeth John Morris-Jones. Bala: Dalen Newydd.
Jones, J.G. (1977a) Crefft y llenor. Dinbych [i.e. Denbigh]: Gwasg Gee.
Jones, J.G. (1977b) Swyddogaeth beirniadaeth ac ysgrifau eraill. Dinbych [i.e. Denbigh]: Gwasg Gee.
Jones, R.M. (2005) Meddwl y gynghanedd. Abertawe: Cyhoeddiadau Barddas, pp. 5–5.
Jones, R.M. (2006) ‘“Journey into the Mind of Cynhanedd”’, Poetry Wales [Preprint].
Jones, R.M. (2012) Hanes Beirniadaeth Gymraeg Ddiweddar [ o Iolo Morganwg hyd Alan Llwyd]. Available at: http://www.rmjones-bobijones.net/llyfrau/Iolo.pdf.
Kellner, D. (1989) Critical theory, Marxism and modernity. Cambridge: Polity.
Kettle, A. and Hanes, V.G. (1968) Man and the arts: a Marxist approach. [New York: American Institute for Marxist Studies.
Leitch, V.B. (2014) Literary criticism in the 21st century: theory renaissance. London: Bloomsbury. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690918900002418&institutionId=2418&customerId=2415.
Lewis, E.G. (1949) ‘Freud a Llenyddiaeth’, Efrydiau Athronyddol, 12, pp. 16–28. Available at: https://datasyllwr.llgc.org.uk/journals/pdf/AWJAN012006.pdf.
Lewis, S. (1927) Williams Pantycelyn. Llundain: Foyle’s.
Lewis, S. (1929) Ceiriog. Aberystwyth: Gwasg Aberystwyth.
Lewis, S. (1932) Braslun o hanes llenyddiaeth Gymraeg: Cyfrol 1: Hyd at 1535. Caerdydd: Gwasg Prifysgol Cymru.
Lewis, S. and Gruffydd, R.G. (1973) Meistri’r canrifoedd: ysgrifau ar hanes llenyddiaeth Gymraeg. Caerdydd: Gwasg Prifysgol Cymru.
Lloyd, D.M. (1948) ‘Y Ddirfodaeh Gyfoes yn Ffrainc’, Efrydiau athronyddol, pp. 3–33. Available at: https://datasyllwr.llgc.org.uk/journals/pdf/AWJAN011005.pdf.
Llwyd, A. (1973) Anghenion y gynghanedd. Caerdydd: Gwasg Prifysgol Cymru.
Llwyd, A. (1996) Canrif o brifwyl. Eisteddfod Genedlaethol Cymru.
Lumsden, R. (2009) Reading literature after deconstruction [electronic resource]. Amherst, N.Y.: Cambria Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690939970002418&institutionId=2418&customerId=2415.
Marks, R. (2013) ‘Pe gallwn, mi luniwn lythyr’: golwg ar waith menna elfyn. Cardiff: University Of Wales Press. Available at: http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=3037232770002418&institutionId=2418&customerId=2415.
McLeod, J. (2000) Beginning postcolonialism. Manchester ; New York: Manchester University Press.
McQuillan, M. (ed.) (2010) Post-theory: new directions in criticism. Edinburgh: Edinburgh University Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4691030850002418&institutionId=2418&customerId=2415.
Morgan, T.J. (1970) W.J. Gruffydd. Cardiff: University of Wales Press for the Welsh Arts Council.
Morris-Jones, J. (1925) Cerdd dafod: sef celfyddyd barddoniaeth Gymraeg. Rhydychen: Gwasg Prifysgol Rhydychen.
Myrddin ap Dafydd (1994) Clywed cynghanedd: cwrs cerdd dafod. Llanrwst: Gwasg Carreg Gwalch.
Owen, J. (1968) ‘Cyfraniad Dirfodaeth’, Y Traethodydd, pp. 81–87. Available at: https://datasyllwr.llgc.org.uk/journals/pdf/AWJBU069014.pdf.
Parry, T. (no date) ‘“John Morris-Jones - yr ysgolhaig”’, Barn, 27, pp. 68–69.
Parry-Williams, T.H. (1935) Elfennau barddoniaeth. Caerdydd: Gwasg Prifysgol Cymru.
Payne, M. and Schad, J. (eds) (2004) Life.after.theory [electronic resource]. Paperback edition. London: Continuum. Available at: http://www.vlebooks.com/vleweb/product/openreader?id=AberystUni&isbn=9781441178053.
Peate, I.C. (1966) W.J. Gruffydd. Llandybie: Llyfrau’r Dryw.
Price, A. (2007) ‘T.H. Parry-Williams, Freiburg a Freud’, Llenyddiaeth mewn theori, 1, pp. 107–122.
Ramage, H. et al. (1968) Twf yr Eisteddfod: tair darlith. Llys yr Eisteddfod.
Roberts, B. (1999) ‘“Pair Dadeni: y Boblogaeth a’r iaith Gymraeg yn y Bedwaredd Ganrif ar Bymtheg”’, in ‘Gwnewch bopeth yn Gymraeg’: yr iaith Gymraeg a’i pheuoedd 1801-1911. Caerdydd: Gwasg Prifysgol Cymru, pp. 78–98.
Robters, S.E. (2003) ‘Addysg Broffesiynol yng Nghymru yn yr Oesoedd Canol’, Llên Cymru, 26, pp. 1–16. Available at: http://primo.aber.ac.uk/primo_library/libweb/action/display.do?tabs=detailsTab&ct=display&fn=search&doc=dedupmrg579064&indx=3&recIds=dedupmrg579064&recIdxs=2&elementId=2&renderMode=poppedOut&displayMode=full&frbrVersion=&dscnt=1&fctN=facet_pfilter&rfnGrp=1&frbg=&scp.scps=scope%3A%28ABERU_LMS%29%2Cscope%3A%28ABERU_SFX%29%2Cscope%3A%28ABERU_ML%29&fctV=journals&tab=local&dstmp=1434717328240&srt=date&mode=Basic&dum=true&tb=t&rfnGrpCounter=1&vl(freeText0)=llen%20cymru&vid=ABERU_VU1.
Rowlands, D. (1977) Mae Theomemphus yn hen: nofel/cerdd. Abertawe: C. Davies.
Rowlands, J. (1990) Saunders y beirniad. Caernarfon: Gwasg Pantycelyn.
Ryan, J. (2012) The novel after theory [electronic resource]. New York: Columbia University Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4691030860002418&institutionId=2418&customerId=2415.
Selden, R. (2016) Practising theory and reading literature: an introduction. London: Routledge. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690974970002418&institutionId=2418&customerId=2415.
Sim, S. and Van Loon, B. (2009) Introducing critical theory: a graphic guide. London: Icon.
Singer, P. (2000) Marx: a very short introduction [electronic resource]. Oxford: Oxford University Press. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=4690951180002418&institutionId=2418&customerId=2415.
‘Teuluoedd tebygrwydd : cerddoriaeth boblogaidd Gymreig ac ymylnodau eraill /’ (2000) Welsh music history [Preprint], (Vol. 4, 2000). Available at: https://datasyllwr.llgc.org.uk/journals/pdf/AWJCC004013.pdf.
Thomas, D. (1976) Y cynganeddion Cymreig at wasanaeth ysgolion a dosbarthiadau. 3rd ed. Abertawe: Hughes a’i Fab.
Thomas, M.W. (1995) Diffinio dwy lenyddiaeth Cymru. Caerdydd: Gwasg Prifysgol Cymru.
Tompkins, J.P. (1980) Reader-response criticism: from formalism to post-structuralism. Baltimore: Johns Hopkins University Press.
Walters, H. (1986) John Morris-Jones 1864-1929: llyfryddiaeth anodiadol. Aberystwyth: LLyfrgell Genedlaethol Cymru/Cymdeithas Llyfrgelloedd Cymru.
Williams, D. (1932) Teithi Meddwl Ann Griffiths: fel y’u hadlewyrchir yn ei hemynau. Lerpwl: Gwasg Y Brython.
Williams, J.E.C. (1975) ‘“Saunders Lewis: yr Ysgolhaig a’r Beirniad”’, in Saunders Lewis. Abertawe: Christopher Davies.
Williams, J.E.C. (2007) Ysgrifau beirniadol: 27. Arg. cyntaf. Edited by G. Williams. Llandysul: Gwasg Gee.
Williams, J.L. (2000) Syr John Morris-Jones 1864-1929. Llangefni: O. Jones.
Williams, R. (2017) Culture and Society, 1780-1950 [electronic resource]. London: Vintage. Available at: http://www.vlebooks.com/vleweb/product/openreader?id=AberystUni&isbn=9781473520660.
Williams, S.J. and Roberts, B.F. (1981) Beirdd ac Eisteddfodwyr: erthyglau. Abertawe: Pwyllgor Gwaith Eisteddfod Genedlaethol Abertawe a’r Cylch 1982.
Young, R. (2004) Postcolonialism: an historical introduction. Malden, Massachusetts: Blackwell Publishing. Available at: https://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=6020144450002418&institutionId=2418&customerId=2415.