• Application of computers to dictionary-making (see webpage above)
• Medieval Latin and Celtic literacy and linguistics
• Modern Celtic languages
• The Non-Classical Lexicon of Celtic Latinity, vol. I: Letters A to H (Turnhout, 2005) (with J. Power).
• Royal Irish Academy Archive of Celtic-Latin Literature (ACLL), developed and expanded edition (full-text database, release 2.1 on line with Brepolis, 2008) (with A. Malthouse).
• “The Non-Classical Vocabulary of Celtic-Latin Literature: An Overview”, peer-reviewed article on line (2008).
• “Some Observations on Celtic-Latin Name Formation”, in Ildánach Ildírech: A Festschrift for Proinsias Mac Cana, ed. J. Carey et al. (Andover [MA] & Aberystwyth, 1999), 53–62.
• “Retrieving the Pronunciation of Early Insular Celtic Scribes: Towards a Methodology”, Celtica 21 (1990), 178-90.
• St Patrick’s Confessio HyperText Stack Project (funded under PRTLI-4).
• Scriptores Celtigenae (Medieval Latin texts series funded by Brepols and the Irish Biblical Association).