The Saddest People the Sun Sees. Daniel O’Connell and Anti-Slavery (London: Pickering and Chatto, 2011), 218 pages.
Launched at Irish Consulate, New York, 14 April 2011.
War and Peace. Ireland since the 1960s (London: Reaktion Books, 2010)
Repeal and Revolution. 1848 in Ireland (Manchester: Manchester University Press, 2009), 352 pages.
A New History of Ireland (first pub. 2004; re-issued 2008, with a new concluding chapter, Gloucestershire: Sutton Press, 2008), 312 pages.
Lives of Victorian Political Figures: Daniel O’Connell (London: Pickering and Chatto, 2007), 350 pages.
1848. The Year the World Turned? (co-edited with Kay Boardman, Newcastle: Cambridge Scholars Press, 2007; and chapter, ‘Invisible Nationalists. Women and the 1848 Rising in Ireland’),274 pages.
Power and Politics in Ireland (co-edited with Roger Swift, Dublin: Four Courts Press, 2006), 298 pages.
This Great Calamity. The Irish Famine 1845-52 (first pub. in 1994, Dublin: Gill and Macmillan, reprinted with a new Introduction, 2006), 480 pages.
Teaching and Learning History (with Geoff Timmins and Keith Vernon, London: Sage Publications, 2005), 250 pages.
The Great Famine in Ireland, Impact, Ideology and Rebellion (London: Palgrave Press, 2002), 268 pages.
Ireland. A Photohistory 1840-1940 (with Sean Sexton; London: Thames and Hudson, 2002), 224 pages.
Memory. Silence and Commemoration. Ireland’s Great Hunger (joint ed. with David Valone, Maryland: University Press of America, 2002), 396 pages.
The Forgotten Famine. Hunger and Poverty in Belfast 1840-50 (with Gerard MacAtasney, London, Pluto Press, 2000), 220 pages.
A Disunited Kingdom. England, Ireland, Scotland and Wales, 1800-1949 (Cambridge: Cambridge University Press, 1999 and re-printed, 2008), 136 pages.
A Death-Dealing Famine. The Great Hunger in Ireland (London: Pluto Press, 1997), 192 pages.
The Famine in Ulster (joint editor with Trevor Parkhill and contributor, Belfast: Ulster Historical Foundation, 1997), 247 pages.
This Great Calamity. The Irish Famine 1845-52 (Dublin: Gill and Macmillan, 1994; Colorado: Roberts Reinhart, 1995), 450 pages.
Winner of Irish Post Award, 1995; nominated for Irish Times Award, 1995.
Making Sense of Irish History. Evidence in Ireland for the Young Historian. (joint editor with C. Gallagher and T. Parkhill, Belfast, 1990) 64 pages.
Winner of Best Young Persons' Book in Ireland, 1990.
'Politics and Administration, 181-70’, in Donnchadh Ó Corráin & Tomás O’Riordan (eds) , Ireland 1815-1870. Emancipation, Famine and Religion (Dublin: Four Courts Press, 2011).
‘The Famine Killed Everything’: Ireland’s Great Hunger’ in Joseph M. Bradley (ed.) Celtic Minded 3 (Glasgow: Bell and Bain, 2009), pp.53-67.
“The Historian as a Haunted Man”: A Backward Glance at Cecil Woodham-Smith’s Great Hunger’ in New Hibernia Review (vol.12, no. 4, Winter 2008), 120-135.
‘The Stranger's Scoffing’. Speranza, the Hope of the Irish Nation’, OScholars (an on-line collection of articles relating to Oscar Wilde), at:
First appeared September 2008.
‘The Widow’s Mite: Private Contributions to Ireland during the Great Hunger’, in History Ireland, Winter, 2007.
Three contributions to Encyclopaedia of Ireland and the Americas (ed. by James P. Byrne, Philip Coleman, and Jason King, ABC-CLIO, 2008).
‘Daniel O’Connell and Anti-Slavery’, in History Today, November 2007.
‘At Home with the Empire’. The example of Ireland”, in Catherine Hall and Sonya O. Rose At Home With The Empire (Cambridge University Press, 2006), 24 pages.
‘The stricken land: The Great Hunger in Ireland’ in George Cusack and Sarah Goss (eds) Hungry Words. Images of Famine in the Irish Canon (Dublin: Irish Academic Press, 2006), 22 pages.
“Brethrens in Bondage”: Chartists, O’Connellites, Young Irelanders and the 1848 Uprising’ in Fintan Lane and Donal Ó Drisceoil (eds) Politics and the Irish Working Class, 1830-1945 (Houndsmills: Palgrave Macmillan, 2005), 25 pages.
‘Was Ireland a Colony? The evidence of the Great Famine’ in Terence McDonough, Was Ireland a Colony? Economics, Politics and Culture in Nineteenth-Century Ireland (Dublin: Irish Academic Press, 2005), 17 pages.
‘The Orange Order and representations of Britishness’ in S. Caunce, E. Mazierska, S. Sydney-Smith and J. K. Walton (eds, Manchester University Press, 2004), 20 pages.
ISBN 0 7190 7026 0
‘Politics in Ireland’ and ‘Economy and Society in Ireland’ in Chris Williams (ed.) A Companion to Nineteenth-Century Britain (Blackwell, 2004) 15 pages and 14 pages.
‘Les marches orangistes en Irlande du Nord. Histoire d’un droit’, Le Mouvement Social (no.202, janvier-mars 2003) 15 pages. Published on Ataliers website (Paris, 2006)
‘A right to march? The conflict at Dolly’s Brae’ in D. George Boyce and Roger Swift (eds) Problems and Perspectives in Irish History since 1800 (Four Courts Press, Dublin, 2003), 26 pages.
Entries on ‘Belfast’ and ‘Daniel O’Connell’ in David Loades (ed) Reader’s Guide to British History (2 vols, Fitzroy, Dearborn, 2003)
'Presbyterian Church Records' in James G. Ryan (ed.), Irish Church Records (Dublin, 2000), 40 pages.
'The Great Famine in Ireland' in Encyclopaedia of the Irish in America (University of Notre Dame Press, 1999).
'The Great Irish Famine. A Dangerous Memory?' in Arthur Gribben (ed.) The Great Famine and the Irish Diaspora in America (University of Massachusetts Press, 1999), 15 pages.
'Peel, Rotten Potatoes and Providence: the Repeal of the Corn Laws and the Irish Famine' in Andrew Marrison (ed.) Free Trade and its Reception 1815-1960. Freedom and Trade; Volume 1 (Routledge, 1998), 12 pages.
'Potatoes, Providence and Philanthropy; the role of private charity during the Famine' in Patrick O' Sullivan (ed.) The Meaning of the Famine (Leicester University Press, 1997), 31 pages.
The Culture of Commemoration. The Great Irish Famine (Dublin, 1996), 24 pages.
'Beyond Revisionism. Reassessing the Irish Famine' in History Ireland, Vol. 4, No. 4, Winter 1995. 6 pages
'The Workhouse System in County Waterford' in W. Nolan and T. Power (eds) Waterford. History and Society (Dublin, 1992), 17 pages.
'The Poor Law during the Great Irish Famine. An Administration in Crisis' in E. M. Crawford (ed.) Famine: The Irish Experience (Edinburgh, 1989) pp. 157-175.
'Women and the Irish Poor Law' in Women's Studies Bulletin, Dublin, 1986, 6 pages.
Eight Contributions (with Barry Quest) to Encyclopedia of the History of Invention and Technology (ed. by David Staley, Facts on File, 2009).