| The Origins of the First World War W Mulligan Cambridge University Press, 2017 | 208 | 2017 |
| The great war for peace W Mulligan Yale University Press, 2014 | 96 | 2014 |
| A global history of anti-slavery politics in the nineteenth century W Mulligan, M Bric Springer, 2013 | 41 | 2013 |
| The creation of the modern German army: General Walther Reinhardt and the Weimar Republic, 1914-1930 W Mulligan Berghahn Books, 2005 | 34 | 2005 |
| The Wars before the Great War D Geppert, W Mulligan, A Rose Cambridge University Press, 2015 | 33 | 2015 |
| The primacy of foreign policy in British History, 1660-2000 B Simms Palgrave Macmillan, 2010 | 30 | 2010 |
| From Case to Narrative: The Marquess of Lansdowne, Sir Edward Grey, and the Threat from Germany, 1900–1906 W Mulligan The International History Review 30 (2), 273-302, 2008 | 29 | 2008 |
| The Trial Continues: New Directions in the Study of the Origins of the First World War W Mulligan The English Historical Review 129 (538), 639-666, 2014 | 23 | 2014 |
| Total war W Mulligan War in History 15 (2), 211-221, 2008 | 22 | 2008 |
| Civil–military relations in the early Weimar Republic W Mulligan The Historical Journal 45 (4), 819-841, 2002 | 15 | 2002 |
| The Anti-Slave Trade Campaign in Europe, 1888–90 W Mulligan A Global History of Anti-Slavery Politics in the Nineteenth Century, 149-170, 2013 | 12 | 2013 |
| The Reichswehr and the Weimar Republic W Mulligan Weimar Germany, 78-101, 2009 | 12 | 2009 |
| German Veterans’ Associations and the Culture of Peace: The Case of the Reichsbanner W Mulligan The Great War and Veterans’ Internationalism, 139-161, 2013 | 11 | 2013 |
| The Fugitive Slave Circulars, 1875–76 W Mulligan The Journal of Imperial and Commonwealth History 37 (2), 183-205, 2009 | 11 | 2009 |
| “We Can't be more Russian than the Russians”: British Policy During the Liman von Sanders Crisis, 1913–1914 W Mulligan Diplomacy and Statecraft 17 (2), 261-282, 2006 | 11 | 2006 |
| Britain, the ‘German revolution’, and the fall of France, 1870/1 W Mulligan Historical Research 84 (224), 310-327, 2011 | 8 | 2011 |
| British Anti-Slave Trade and Anti-Slavery Policy in East Africa, Arabia, and Turkey in the Late Nineteenth Century W Mulligan Humanitarian Intervention: A History, 257-80, 2011 | 8 | 2011 |
| The Reichswehr, the Republic and the Primacy of Foreign Policy, 1918–1923 W Mulligan German History 21 (3), 347-368, 2003 | 6 | 2003 |
| Weimar and the wars of liberation: German and French officers and the politics of history W Mulligan European history quarterly 38 (2), 266-293, 2008 | 5 | 2008 |
| Introduction: The Global Reach of Abolitionism in the Nineteenth Century W Mulligan A Global History of Anti-Slavery Politics in the Nineteenth Century, 1-16, 2013 | 3 | 2013 |
