Britannias Zealots, Volume I:Tradition, Empire and the Forging of theConservative Right (London: Bloomsbury Academic, 2018).
The Marquess of Londonderry:Aristocracy, Power and Politics in Britain and Ireland(London: I.B. Tauris, 2005).
Charles Stewart Parnell and His Times: A Bibliography (Santa Barbara, CA, 2011) (with Alan O'Day).
Ireland and Anglo-Irish Relations since 1800: Critical Essays (3 vols, Aldershot: Ashgate, 2008) (with Alan ODay).
The Longman Handbook of Modern Irish History since 1800 (London: Pearson, 2005) (with Alan ODay).
'Women and Lancashire Conservatism between the Wars', Women's History Review, 26:3 (2017): 329-349.
The Imperial Maritime League: British Navalism, Conflict and the Radical Right, c. 19071920, War in History, 23.3 (2016): 296-322.
'Lancashire Conservatives, Tariff Reform, and Indian Responsible Government', Contemporary British History, 30:2 (2016): 151-176.
Conquest, Empire and the Struggle for Supremacy, War in History, 23:2 (2016): 251-256.
Diehard Conservatives and the Appeasement of Nazi Germany, 19351940, History: The Journal of the Historical Association, 100:341 (2015): 412-435.
'Political extremes and extremist politics, Political Studies Review, 12:3 (2014): 395401
Diehard Conservatism, mass democracy, and Indian constitutional reform, c. 1918-1935, Parliamentary History, 32:2 (2013): 337-60
Cabinet government, British imperial security, and the World Disarmament Conference, 19321934, War in History, 18:1 (2011): 6284.
The press, empire and historical time: the Times and Indian self-government, c.1911-1947, Media History, 16:2 (2010): 183-198
Echoes of Britannia: television history, empire and the critical public sphere, Contemporary British History, 25:1 (2010): 1-22
Incorrigibly plural: new histories of Ulster and Northern Ireland, Twentieth Century British History, 21:1 (2010): 11017.
The first government of Northern Ireland, education reform, and the failure of anti-populist unionism, 1921-1925, Twentieth Century British History, 18:2 (2007): 146-69.
Education since the late eighteenth century, in Liam Kennedy and Phillip Ollerenshaw (eds), Ulster since 1600: Politics, Economy, and Society (Oxford: Oxford University Press, 2013): 211-227.
Gladstone and the Ulster Question, in D. George Boyce and Alan ODay (eds), Gladstone and Ireland: Politics, Religion and Nationality in the Victorian Age (Basingstoke: Palgrave, 2010): 14061.
(with Alan ODay) Accommodation, conciliation and cooperation: a Gladstonian legacy, in D. George Boyce and Alan ODay (eds), Gladstone and Ireland: Politics, Religion and Nationality in the Victorian Age (Basingstoke: Palgrave, 2010): 23355.
Leadership, the middle-classes and Ulster unionism since the late nineteenth century, in Fintan Lane (ed.), Politics, Society and the Middle Class in Modern Ireland (Basingstoke: Palgrave, 2009): 21229.
Aristocratic appeasement: Lord Londonderry, Nazi Germany, and the promotion of Anglo-German misunderstanding, Cardiff Historical Papers, 4 (Cardiff: Cardiff University, 2007): 136.
Landlords, power and loyalism in late-Victorian Ulster, in Christine Kinealy and Roger Swift (eds), Politics and Power in Victorian Ireland (Dublin: Four Courts Press, 2006): 14354.
The landed elite, power, and Ulster Unionism, in D. George Boyce and Alan ODay (eds), The Ulster Crisis, 18851921 (Basingstoke: Palgrave, 2006): 86104.
Old and new Unionism: The seventh Marquess of Londonderry, 19051921, in D.George Boyce and Alan ODay (eds), Ireland in Transition, 18671921 (London: Routledge, 2004): 22340.
Lord Londonderry and Ulster politics, 19216, in Joost Augusteijn, Mary Ann Lyons and Deirdre McMahon (eds), Irish History: A Research Yearbook, 2 (Dublin: Four Courts Press, 2003): 7280.
'The rise of Women Conservatives in inter-war Lancashire', Conservative History Journal, 2:5 (2017): 12-16.
'Dr Alan O'Day (1940-2017): Historian of Ireland', Perspectives on History: The Magazine of the American Historical Association, 55:9 (2017).
'Conservatives, Patriotism and State Intervention: An Edwardian Inheritance', History & Policy (13 Oct. 2016).
'Brexit, the Commonwealth and the Problem of Imperial Nostalgia', History & Policy (8 July 2016).
'The Conservative Right, Europe and Anti-Americanism', History & Policy (22 April 2016).
Sunday Blues: Conservatives, Religion and Party Identity, History & Policy (31 March 2016).
'Diehard Conservatives: Southern English or Four Nations?', Four Nations History Network Blog (26 Feb. 2016).
'Revolting Grassroots: Conservative Prime Ministers and the Party Membership', History Matters (10 Feb. 2016).
Scaremonger or Patriot? Lionel Horton Smith and War with Germany, British Library Untold Lives Blog (1 Sept. 2015).
Stanley Baldwin, The Times, and Indian self-government, Conservative History Journal, 2:2 (2013): 812.
Tory rebels: The inevitability of backbench revolts, History & Policy (31 May 2012).
A change of mind? [part 2] Churchill on India, Memo: The Winston Churchill Memorial and Library in the United States, 33 (Winter, 2010): 1013.
A change of mind? [part 1] Churchill on Ireland, Memo: The Winston Churchill Memorial and Library in the United States, 31 (Summer, 2009): 1012.
Aristocratic rule? Ulster unionism and Northern Ireland, History Ireland, 15.6 (Nov./Dec., 2007): 2631.
The Londonderry Herr: Lord Londonderry and the appeasement of Nazi Germany, History Ireland, 13.1 (Jan./Feb., 2005): 3135.
New Ireland, same old heroes, Fortnight, 405 (June 2002): 33.
Lord Londonderry and education reform in 1920s Northern Ireland, History Ireland, 9.1 (Spring, 2001): 3639.
External Examiner, PhD in History, University of Ulster (2018)
External Examiner, BA Hons in History, Bath Spa University (2017-20)
External Examiner, PhD in History, University of Ulster (2017)
External Assessor, REF Preparation Exercise, Department of History, University of Bristol (2017)
Research Officer, History UK (2017-)
Peer Reviewer, Palgrave Macmillan (2012 and 2013)
Executive Committee Member, British International History Group (2012-17)
Executive Committee Member, British Fulbright Scholars Association (2011-14)
Peer Reviewer, Irish Research Council for the Humanities and Social Sciences (2010)
Technical Editor, John Wiley & Sons (2005)
Peer reviewed articles for Twentieth Century British History, Journal of Imperial and Commonwealth History, Irish Historical Studies, Media History,Women's History Review and Parliamentary History