| Archbishop Walsh and Mgr. Curran's opposition to the British war effort in Dublin, 1914-1918 | De Wiel, Jérôme aan | Article in Journal | | 2000 |
| Au-revoir Fontenoy! L'Entente cordiale et la fin des relations traditionelles Franco-Irlandaises, 1899-1916 | De Wiel, Jérome aan | Article in Journal | | 2005 |
| Austria-Hungary, France, Germany and the Irish crisis from 1899 to the outbreak of the First World War | De Wiel, Jérome aan | Article in Journal | | 2006 |
| Belgium | De Wiel, Jérome aan | Article in Book | | 2013 |
| East German intelligence and Ireland, 1949-90 : espionage, terrorism and diplomacy | De Wiel, Jérôme aan | Monograph or Collective Volume | Manchester UP | 2015 |
| Easter Rising 1916 : Count Plunkett's letter to Pope Benedict XV | De Wiel, Jérome aan | Article in Journal | | 2004 |
| Europe and the Irish crisis, 1900-17 | De Wiel, Jérôme aan | Article in Book | | 2007 |
| French military intelligence and Ireland, 1900–1923 | de Wiel, Jérôme aan | Article in Journal | | 2011 |
| From "castle" bishop to "moral leader"? Edward O'Dwyer and Irish nationalism, 1914-7 | De Wiel, Jérôme aan | Article in Journal | | 2000 |
| Ireland and the Bolshevik Revolution | De Wiel, Jérome aan | Article in Journal | | 2017 |
| Ireland through European eyes : western Europe, the EEC and Ireland, 1945-1973 | De Wiel, Jérome aanKeogh, DermotO'Driscoll, Mervyn | Monograph or Collective Volume | Cork University Press | 2013 |
| Irlande, 1916 : considérations stratégiques | De Wiel, Jérôme aan | Article in Book | | 2007 |
| L'Église catholique irlandaise pendant la Première Guerre mondiale, 1914-1918 | De Wiel, Jérôme aan | Article in Journal | | 2005 |
| Luxembourg | De Wiel, Jérome aan | Article in Book | | 2013 |
| Mgr O'Riordan, Bishop O'Dwyer and the shaping of new relations between nationalist Ireland and the Vatican during World War One | De Wiel, Jérôme aan | Article in Journal | | 1999 |
| Monsignor O'Riordan, Bishop O'Dwyer and the shaping of new relations between nationalist Ireland and the Vatican during World War I | De Wiel, Jérôme aan | Article in Journal | | 1999 |
| Propagande et « contre-propagande » en Irlande pendant la Première Guerre mondiale | De Wiel, Jérôme aan | Article in Journal | | 2006 |
| Propagande française en Irlande pendant la Première Guerre mondiale : autopsie d'un échec | De Wiel, Jérôme aan | Article in Journal | | 2008 |
| Sabotage in the USA! Imperial Germany and Irish-American contacts, 1900-1917 | De Wiel, Jérôme aan | Article in Journal | | 2010 |
| The "Hay plan" : an account of Anglo-French recruitment efforts in Ireland, August 1918 | De Wiel, Jérôme aan | Article in Journal | | 2000 |
| The "Hay Plan" : an account of Anglo-French recruitment efforts in Ireland, August 1918 | De Wiel, Jérôme aan | Article in Journal | | 1999 |
| The 'Irish factor' in the outbreak of war in 1914 | De Wiel, Jérome aan | Article in Journal | | 2011 |
| The Catholic church in Ireland, 1914-1918 : war and politics | De Wiel, Jérome aan | Monograph or Collective Volume | Irish Academic Press | 2003 |
| The Commission, the Council and the Irish application for the EEC, 1961-73 | De Wiel, Jérome aan | Article in Book | | 2013 |
| The embarrassments of Irish Nationalist Commemorations for Western Europe, from Fontenoy in 1907 to the Easter Rising in 1966 | De Wiel, Jérome aan | Article in Journal | | 2015 |
| The French Invasion that never was : the Deuxième Bureau and the Irish republicans, 1900-4 | De Wiel, Jérome aan | Article in Book | | 2009 |
| The Irish factor 1899-1919 : Ireland's strategic and diplomatic importance for foreign powers | De Wiel, Jérome aan | Monograph or Collective Volume | Irish Academic Press | 2008 |
| The Netherlands | De Wiel, Jérome aan | Article in Book | | 2013 |
| The Principality of Thomond and His Royal Highness Raymond Moulton Seághan O'Brien, 1936-1963; Ireland's greatest diplomatic force | De Wiel, Jérôme aan | Article in Journal | | 2007 |
| The trouble with Frank Ryan: 'Corpse diplomacy' between East Germany and Ireland, 1966-80 | De Wiel, Jérôme aan | Article in Journal | | 2014 |