• Palaeography and manuscript culture
• The transmission and use of Classical texts
• The commentary tradition
• Latin language
• ‘12th-century argumenta and accessus to the Eclogues,’ ‘Old-Irish Glosses on Philargyrius,’ ‘A Carolingian Commentary on Eclogue 6,’ ‘Pompeian Graffiti’ in Michael Putnam and Jan Ziolkowski eds., The Virgilian Tradition: The First Fifteen Hundred Years (Yale University Press 2008)
• ‘The Composition of Adomnán’s Vita Columbae’, Peritia 17-18 (2003-4) 154-82.
• Servius’ Commentary on Book Four of Virgil’s Aeneid: An Annotated Translation (Bolchazy-Carducci Publishers, 2004) with Christopher McDonough and Richard E. Prior.
• ‘Early-Medieval Biblical Commentaries, Their Writers and Readers’, Frühmittelalterliche Studien 33 (1999) 49-82.
• ‘Bede’s Biblical Commentaries’ in Jane Hawkes and Susan Mills, eds., Northumbria’s Golden Age (Sutton Publishing, 1998) 383-89.
Columbanus’ Life and Legacy: Project 2 within Texts Contexts Cultures, an interdisciplinary PhD research programme in the Arts and Humanities, delivered in co-operation between research hubs at three of Ireland’s leading universities: The Moore Institute for Research in the Humanities and Social Sciences, National University of Ireland Galway; The Long Room Hub, Trinity College Dublin; and The Graduate School, the College of Arts, Celtic Studies and Social Sciences, University College Cork. Funded by the HEA’s Strategic Innovation Fund as part of the Irish government’s commitment to develop graduate education, Texts, Contexts, Cultures has been significantly augmented by funds from the all-Ireland collaboration Humanities Serving Irish Society enabled by the HEA’s research funding programme, PRTLI 4.
• Roman History
• Latin Palaeography
• Reading and Writing in the Ancient World