2013

Davies, John Reuben (2013) The cult of saints in the early Welsh March: aspects of cultural transmission in a time of political conflict. In: Duffy, Seán and Foran, Susan (eds.) The English Isles: Cultural Transmission and Political Conflict in Britain and Ireland, 1100-1500. Four Courts Press, Dublin. ISBN 9781846822230 (In Press)

2012

Davies, J.R. (2012) Old Testament personal names among the Britons: their occurrence and significance before the twelfth century. Viator, 43 (1). pp. 175-192. ISSN 0083-5897

2011

Broun, D., Sharpe, R., Taylor, A., and Davies, J. (2011) The Reality Behind Charter Diplomatic in Anglo-Norman Britain. Centre for Scottish and Celtic Studies, University of Glasgow, Glasgow. ISBN 9780852619193X

Davies, J. (2011) Cathedrals and the cult of saints in eleventh and twelfth century Wales. In: Dalton, P., Insley, C. and Wilkinson, L.J. (eds.) Cathedrals, Communities and Conflict in the Anglo-Norman World. Series: Studies in the History of Medieval Religion . Boydell Press, Woodbridge, pp. 99-115. ISBN 9781843836209

2010

Davies, J. (2010) The donor and the duty of warrandice: giving and granting in Scottish charters. In: The Reality Behind Charter Diplomatic in the Anglo-Norman Era. University of Glasgow, Glasgow, UK, pp. 120-165. ISBN 9780852619193

Davies, J.R. (2010) The cult of Saint Constantine. Society of Friends of Govan Old, Glasgow. ISBN 9780954532185

Davies, J. (2010) King David deals with a controversial transaction: the language of giving and granting in the dispute over Edrom and Nisbet. Feature of the Month: The Paradox of Medieval Scotland 1093-1286, 12 .

2009

Davies, J. (2009) 'Giving', 'Granting', and 'Confirming': the problem of dispositive verbs in twelfth- and thirteenth-century Scottish charters: part III - implied warrandice in Scottish charters. Feature of the Month: The Paradox of Medieval Scotland 1093-1286, 5 .

Davies, J. (2009) 'Giving', 'Granting', and 'Confirming': the problem of dispositive verbs in twelfth- and thirteenth-century Scottish charters: Part II. Feature of the Month: The Paradox of Medieval Scotland 1093-1286, 4 .

Davies, J. (2009) 'Giving', 'Granting', and 'Confirming': the problem of dispositive verbs in twelfth- and thirteenth-century Scottish charters: Part I. Feature of the Month: The Paradox of Medieval Scotland 1093-1286, 2 .

Boardman, S., Davies, J.R. and Williamson, E., (Eds.) (2009) Saints' Cults in the Celtic World. Series: Studies in Celtic history. Boydell Press, Woodbridge, UK. ISBN 9781843834328

Davies, J.R. (2009) Bishop Kentigern among the Britons. In: Boardman, S., Davies, J.R. and Williamson, E. (eds.) Saints' Cults in the Celtic World. Series: Studies in Celtic history (25). Boydell Press, Woodbridge, UK, pp. 67-99. ISBN 9781843834328

Davies, J.R. (2009) Wales and West Britain in the tenth and eleventh centuries. In: Stafford, P. (ed.) A Companion to the Early Middle Ages: Britain and Ireland c.500-1100. Series: Blackwell companions to history . Wiley-Blackwell, Chichester, UK, pp. 342-357. ISBN 9781405106283

2008

Davies, J. (2008) Aspects of Church Reform in Wales, c. 1093–c. 1223. In: Lewis, C.P. (ed.) Proceedings of the Battle Conference 2007. Series: Anglo-Norman Studies (30). Boydell, Woodbridge, pp. 85-99. ISBN 9781843833796

Davies, J.R. (2008) The Augustinian and Premonstratensian canons. In: Davies, J. (ed.) Academi Encyclopedia of Wales. University of Wales, Cardiff, UK. ISBN 9780708319543

Davies, J.R. (2008) The Benedictines. In: Davies, J. (ed.) Academi Encyclopedia of Wales. University of Wales, Cardiff, UK. ISBN 9780708319543

Davies, J.R. (2008) Bernard (bishop of St Davids). In: Davies, J. (ed.) Academi Encyclopedia of Wales. University of Wales, Cardiff, UK. ISBN 9780708319543

Davies, J.R. (2008) Herewald (bishop of Glamorgan). In: Davies, J. (ed.) Academi Encyclopedia of Wales. University of Wales, Cardiff, UK. ISBN 9780708319543

Davies, J.R. (2008) St Samson of Dol. In: Davies, J. (ed.) Academi Encyclopedia of Wales. University of Wales, Cardiff, UK. ISBN 9780708319543

Davies, J.R. (2008) Urban (bishop of Llandaf). In: Davies, J. (ed.) Academi Encyclopedia of Wales. University of Wales, Cardiff, UK. ISBN 9780708319543

2007

Davies, J.R. (2007) The Archbishopric St Davids and the bishops of Clas Cynidr. In: Evans, J.W. and Wooding, J.M. (eds.) St. David of Wales: Cult, Church, and Nation. Series: Studies in Celtic history (24). Boydell Press, Woodbridge, UK, pp. 296-304. ISBN 9781843833222

Davies, J.R. (2007) Some observations on the 'Nero', 'Digby', and 'Vespasian' recensions of Vita S. David. In: Evans, J.W. and Wooding, J.M. (eds.) St. David of Wales: Cult, Church, and Nation. Series: Studies in Celtic history (24). Boydell Press, Woodbridge, UK, pp. 156-160. ISBN 9781843833222

Sharpe, R., and Davies, J.R. (2007) Rhygyfarch's Life of St David. In: Evans, J.W. and Wooding, J.M. (eds.) St. David of Wales: Cult, Church, and Nation. Series: Studies in Celtic history (24). Boydell Press, Woodbridge, UK, pp. 107-155. ISBN 9781843833222

2005

Davies, J.R. (2005) Ecclesiastical organisation. In: Duffy, S., MacShamhráin, A. and Moynes, J. (eds.) Medieval Ireland: An Encyclopedia. Series: The Routledge encyclopedias of the Middle Ages (10). Routledge, New York, USA. ISBN 9780415940528

2003

Davies, J.R. (2003) The Book of Llandaf and the Norman Church in Wales. Series: Studies in Celtic history (21). Boydell Press, Woodbridge, UK. ISBN 9781843830245

Davies, J.R. (2003) Church organization (Anglo-Saxon and Celtic). In: Loades, D.M. (ed.) Reader's Guide to British History. Fitzroy Dearborn, New York, USA. ISBN 9781579582425

Davies, J.R. (2003) Gerard of Wales. In: Loades, D.M. (ed.) Reader's Guide to British History. Fitzroy Dearborn, New York, USA. ISBN 9781579582425

Davies, J.R. (2003) Gruffudd ap Llywelyn. In: Loades, D.M. (ed.) Reader's Guide to British History. Fitzroy Dearborn, New York, USA. ISBN 9781579582425

Davies, J.R. (2003) Historia Brittonum. In: Loades, D.M. (ed.) Reader's Guide to British History. Fitzroy Dearborn, New York, USA. ISBN 9781579582425

Davies, J.R. (2003) Rhodri the Great and Hywel the Good. In: Loades, D.M. (ed.) Reader's Guide to British History. Fitzroy Dearborn, New York, USA. ISBN 9781579582425

Davies, J.R. (2003) Wales before union with England (early kingdoms). In: Loades, D.M. (ed.) Reader's Guide to British History. Fitzroy Dearborn, New York, USA. ISBN 9781579582425

2002

Davies, J.R. (2002) The saints of South Wales and the Welsh church. In: Thacker, A. and Sharpe, R. (eds.) Local Saints and Local Churches in the Early Medieval West. Oxford University Press, Oxford, UK, pp. 361-395. ISBN 9780198203940

1998

Davies, J.R. (1998) Liber Landavensis: its date and the identity of its editor. Cambrian Medieval Celtic Studies, 35 . pp. 1-11. ISSN 1353-0089

1997

Davies, J.R. (1997) Church, property, and conflict in Wales, AD 600–1100. Welsh History Review, 18 (3). pp. 387-406. ISSN 0083-792X