Keating, John and Teehan, Aja and Gallagher, Damien and O'Connor, Thomas (2010) A Digital Edition of a Spanish 18th Century Account Book: User Driven Digitisation. Jahrbuch für Computerphilologie, 10 . pp. 169-18.

O'Connor, Thomas (2004) Arthur, James (1587-1654). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Betagh, Thomas (1738-1811). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Butler, John, (1731-1800). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Carpenter, John (1729-86). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Donlevy, Andrew, (1680-1746). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) French, Peter. In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Gould, Thomas (1657-1734). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Hooke, Luke Joseph (1714-96). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) Hugh O'Neill: religious chameleon, free spirit or ardent Catholic? In: the Battle of Kinsale. Wordwell, Dublin, pp. 59-72.

O'Connor, Thomas and Mitton, Todd (2008) Investability and Firm Value. Department of Economics, Finance & Accounting Working paper series N192/05/08. National University of Ireland Maynooth.

O'Connor, Thomas (2004) Marsh's Library and the Irish Catholic tradition. In: The Making of Marsh's Library. Four Courts Press, Dublin, pp. 235-255.

Byrne, Thomas (2006) Nathaniel Hooke (1664-1738)and the French embassy to Saxony,1711-12. In: UNSPECIFIED Four Courts Press, pp. 409-429.

O'Connor, Thomas (2004) O'Daly, Daniel Dominic (1595-1662). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2004) O'Hearn, Francis (1747-1801). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas (2009) Perils of Celebration. The Furrow, 60 (9). pp. 492-498. ISSN 0016-3120

Keating, John G. and Clancy, Denis and O'Connor, Thomas and Lyons, Marian (2004) Problems with databases and the XML solution. Archivium Hibernicum, 57 . pp. 268-275.

O'Connor, Thomas (2004) Shortal, Sebastian (d.1639). In: Oxford Dictionary of National Biography. Oxford University Press.

O'Connor, Thomas and Flavin, Thomas (2009) The Sequencing of stock market liberalization events and corporate financing decisions. Department of Economics Finance & Accounting.

O'Connor, Thomas (2000) Thomas Messingham (c.1575-1638?) and the seventeenth-century Church. Riocht Na Midhe, 11 . pp. 88-105.