2000. L’accord britaniicoirlandès del 1998, I el plus del consensualisme, in Montserrat Guibernau (ed.) Nacionalisme: Debats I dilemes per a un nou mil-lenni (Barcelona: ECSA), pp. 203-28.
2000. ‘Foreword’ to Michael McGrath’s The Price of Faith: The Catholic Church and Catholic Schools in Northern Ireland (Dublin & Portland, Irish Academic Press), xiii-xix.
2000. Quali armi contro i nazionalisme, in (ed) Marco Moussasanet, Dueemila: Verso una società aperta, 2. Politica, migrazioni, guerra e pace, religione (Milano: Il Sole 24 Ore), 221-4.
2000. The Limits to Coercive Consociationalism in Northern Ireland. In United Kingdom: The International Library of Politics and Comparative Government, (ed.) R. A. W. Rhodes. Aldershot, Ashgate Publishing, pp. 475-502 .
1999. (with Robert Hazell). A Rolling Programme of Devolution: Slippery Slope or Safeguard of the Union? In Robert Hazell (ed.) Constitutional Futures (Oxford: Oxford University Press), pp. 21-46.
1998. Ernest Gellner's diagnoses of nationalism: a critical overview, or, what is living and what is dead in Ernest Gellner's philosophy of nationalism? In The State of the Nation: Ernest Gellner and the Theory of Nationalism, (ed. ) John A Hall. Cambridge: Cambridge University Press, pp. 40-92.
1997. (with Geoffrey Evans). ‘The 1997 Westminster Election in Northern Ireland: La Fin de Siècle, The Twilight of the Second Protestant Ascendancy and Sinn Féin’s Second Coming’. In Britain Votes 1997 Oxford: Oxford University Press (eds.) Pippa Norris and Neil Gavin, pp 164-172.
1996. (with John McGarry) ‘Eliminating and Managing Differences’ [extract from previous publication]. In A. Smith and J. Hutchinson (eds.), Ethnicity, Oxford University Press, Oxford, pp. 333-41.
1996. ‘On the Nature of Nationalism, an appraisal of Ernest Gellner's Writings on Nationalism’. In The Social Philosophy of Ernest Gellner, (ed.) John A Hall and Ian C Jarvie: 71-112. Amsterdam: Rodopi
1996. ‘Political Science’. In The Social Science Encyclopedia 2, (eds.) Adam Kuper and Jessica Kuper. London: Routledge.
1995. ‘Britain's Japanese Question: ‘Is There a Dominant Party?’, In Turning Japanese? Britain with a Permanent Party of Government, (eds.) Helen Margetts and Gareth Smyth, pp. 3-8. London: Lawrence and Wishart.
1995. (with Brendan O'Duffy). ‘Tales from Elsewhere and an Hibernian Sermon’. In Turning
Japanese? Britain with a Permanent Party of Government, (eds.) Helen Margetts and Gareth Smyth, pp. 193-210. London: Lawrence and Wishart
1995. (with John McGarry). ‘Regulating Nations and Ethnic Communities’. In Nationalism and Rationality, (eds.) Albert Breton, Jean-Luigi Galeotti, Pierre Salmon, and Ron Wintrobe, pp. 245-90. Cambridge: Cambridge University Press
1993. (with John McGarry). ‘Introduction: The Macro-Political Regulation of Ethnic Conflict’. In The Politics of Ethnic Conflict Regulation, ed. John McGarry and Brendan O'Leary, pp. 1-47. London and New York: Routledge.
1991. ‘An Taoiseach. The Irish Prime Minister. In West European Prime Ministers, ed. G.W. Jones, pp. 133-62. London: Frank Cass’.
1990. (with Paul Arthur). ‘Introduction: Northern Ireland as the Site of State- and Nation-Building Failures’. In The Future of Northern Ireland, (eds.) John McGarry and Brendan O'Leary, pp. 1-47. Oxford: Oxford University Press
1990. (with Brendan O'Duffy). ‘Appendix 3. Political Violence in Northern Ireland’. In The Future of Northern Ireland, (eds.) John McGarry and Brendan O'Leary, pp. 318-41. Oxford: Oxford University Press
1990. (with John McGarry). ‘Northern Ireland's Options: A Framework, Summary and Analysis’. In The Future of Northern Ireland, (eds.) John McGarry and Brendan O'Leary, pp. 268-303. Oxford: Oxford University Press
1990. ‘Northern Ireland and the Anglo-Irish Agreement’. In Developments in British Politics 3, (eds.) Patrick Dunleavy, Andrew Gamble, and Gillian Peele, pp. 269-91. Basingstoke: Macmillan
1990. ‘Appendix 4. Party Support in Northern Ireland, 1969-89’. In The Future of Northern Ireland, (eds.) John McGarry and Brendan O'Leary, pp. 342-57. Oxford: Oxford University Press
1987. ‘The Anglo-Irish Agreement: Meanings, Explanations, Results and a Defence’. In Beyond the Rhetoric: Politics, Economics and Social Policy in Northern Ireland, (ed.) Paul Teague, pp. 11-40. London: Lawrence and Wishart.
1987. ‘London Government: Past, Present, and Future’. In The London Government Handbook, (eds.) Tony Travers and Michael Hebbert, pp. 171-87. London: Cassell.
Miscellanea: translated papers, comments; pamphlets, printed papers, significant web-articles.