Medieval epigraphy; Old English language and literature; Anglo-Saxon England.
Current work includes the Cornwall volume of the British Academy Corpus of Anglo-Saxon Stone Sculpture, and a book on women’s names in Anglo-Saxon England
Hand-list of Anglo-Saxon Non-runic Inscriptions (Cambridge, 1971)
Corpus of Early Christian Inscribed Stones of South-west Britain (Leicester, 1993)
(with Katherine Forsyth) Early Christian Inscriptions of Munster: A Corpus of the Inscribed Stones (Cork, 2001)
Numerous articles, mainly on epigraphy
MA in Applied Linguistics