Gerald of Wales: On the Deeds of Gerald (De gestis Giraldi)
Comprehensive Latin edition and translation of Gerald's autobiographical chronicle, recounting his diplomatic missions, papal appeals, and fight for the bishopric of St Davids.
Multi-Disciplinary Approaches to Medieval Brittany, 450–1200
Connections and Disconnections. Exploring the language, charters, saints' cults, and political culture of early medieval Brittany.
An Introduction to the Celtic Languages
The standard authoritative introduction to Goidelic (Irish, Scottish Gaelic, Manx) and Brythonic (Welsh, Breton, Cornish) phonology, morphology, and historical development.
Vita Griffini Filii Conani: The Medieval Latin Life of Gruffudd ap Cynan
Critical edition, translation, and historical commentary on the Latin biography of Gruffudd ap Cynan, King of Gwynedd (d. 1137).