Orderly and Humane: The Expulsion of the Germans after the Second World War (2012).
- One of the 15 best books published in 2012 according to The Atlantic
Architects of the Resurrection: Ailtirí na hAiséirghe and the Fascist 'New Order' in Ireland (2009).
Imperialism on Trial: International Oversight of Colonial Rule in Historical Perspective [R.M. Douglas, M.D. Callahan & E.A. Bishop, eds.] (2006)
The Labour Party, Nationalism and Internationalism, 1939-1951 (2004).
Feminist Freikorps: The British Voluntary Women Police, 1914-1940 (1999).
Articles in Albion, Contemporary British History; Daedalus; Ethnic and Racial Studies; Historical Journal;
Journal of Modern History; Politics, Religion & Ideology.