| Afrikaner (Boer) Rebellion (Union of South Africa) | Wessels, André | Union of South Africa | Violence |
| Antisemitism | Bergmann, Werner and Wyrwa, Ulrich | Austria, Belgium, Bulgaria, Czechoslovakia, France, Germany, Great Britain, Greece, Hungary, Italy, Poland, Romania, Russian Empire, Serbia | Power |
| Armenian Genocide | Suny, Ronald Grigor | Armenia, Ottoman Empire | Violence |
| Atrocities | Kramer, Alan | Austria, Belgium, France, Germany, Great Britain, Ottoman Empire, Serbia, Ukraine | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Austria-Hungary) | Lein, Richard | Austria, Hungary | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Canada) | Smith, Nathan | Canada | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (New Zealand) | Phillips, Jock | New Zealand | Violence |
| Centenary (Armenia) | Adjemian, Boris | Armenia | Post-war |
| Centenary (Hungary) | Ferwagner, Peter | Hungary | Post-war |
| Children and Youth: Ottoman Empire (Ottoman Empire/Middle East) | Maksudyan, Nazan | Ottoman Empire | Home Front |
| Civilian and Military Power (Great Britain and Ireland) | Johnson, Matthew | Great Britain and Ireland | Power |
| Colonial Empires after the War/Decolonization | Kitchen, James E. | Belgium, East and Central Africa, Egypt, France, Great Britain and Ireland, India, Indochina, Northern Africa, Ottoman Empire, Palestine, Portugal, Russian Empire, Syria | Post-war |
| Colonial State Power and Politics (Africa) | Pesek, Michael | Africa | Power |
| Commemoration, Cult of the Fallen (Australia) | Beaumont, Joan | Australia | Post-war |
| Commemoration, Cult of the Fallen (India) | Chhina, Rana and Chhina, Adil | India | Post-war |
| Controversy: The Media's Responsibility for Crises and Conflicts in the Age of Imperialism | Geiss, Peter | Austria, France, Germany, Great Britain, Northern Africa, Ottoman Empire, Russian Empire, Serbia, Spain, USA, Union of South Africa | Media, Pre-war |
| Crumbling of Empires and Emerging States: Czechoslovakia and Yugoslavia as (Multi)national Countries | Boeckh, Katrin | Czechoslovakia, Yugoslavia | Power |
| Easter Rising (Great Britain and Ireland) | McGarry, Fearghal | Great Britain, Ireland | Power |
| Economies and Home Front (Union of South Africa) | Nasson, Bill | Union of South Africa | Home Front |
| Extra-European Theatres of War | Moyd, Michelle | Australia, China, East and Central Africa, Egypt, France, India, Indochina, Iraq, Japan, Micronesia, New Zealand, Northern Africa, Ottoman Empire, Southern Africa, Syria, West Africa | Violence |
| Fascism and the Radical Right | Corni, Gustavo | Germany, Italy | Post-war |
| Film/Cinema (Ottoman Empire) | Çeliktemel-Thomen, Özde | Ottoman Empire | Media |
| Governments, Parliaments and Parties | Oppelland, Torsten | Austria-Hungary, Belgium, Canada, France, Germany, Great Britain and Ireland, Italy, Japan, Ottoman Empire, Russian Empire, Sweden, USA | Power |
| Governments, Parliaments and Parties (Austria) | Boyer, John W. | Austria | Power |
| Governments, Parliaments and Parties (Belgium) | Gerard, Emmanuel | Belgium | Power |
| Governments, Parliaments and Parties (Canada) | MacKenzie, David | Canada | Power |
| Governments, Parliaments and Parties (Germany) | Oppelland, Torsten | Germany | Power |
| Governments, Parliaments and Parties; Political Movements and Protostate Formation (East Central Europe) | Richter, Klaus and Szlanta, Piotr | Estonia, Latvia, Lithuania, Poland | Power |
| Historiography 1918-Today (Australia) | Holbrook, Carolyn | Australia | Post-war |
| Historiography 1918-Today (Belgium) | Wouters, Nico | Belgium | Post-war |
| Historiography 1918-Today (China) | Fan, Xin | China | Post-war |
| Historiography 1918-Today (India) | Stadtler, Florian | India | Post-war |
| Historiography 1918-Today (Middle East/Arab Lands) | Smith, Charles D. | Ottoman Empire | Post-war |
| Hong Kong | Kwong, Chi Man | Hong Kong | |
| Imperialism | Barth, Boris | Austria-Hungary, Belgium, China, East and Central Africa, France, Germany, Great Britain, Italy, Japan, Northern Africa, Ottoman Empire, Portugal, Serbia, Southern Africa, USA, Union of South Africa, West Africa | Pre-war |
| Ireland | Grayson, Richard S. | Ireland | Home Front, Post-war, Power, Pre-war, Violence |
| Labour (China) | Xu, Guoqi | China | Home Front |
| Literature (India) | Das, Santanu | India | Media |
| Literature (Ottoman Empire) | Adak, Hülya | Ottoman Empire | Media |
| Making Sense of the War (India) | Markovits, Claude | India | Media |
| Making Sense of the War (Italy) | Lunzer, Renate | Italy | Media |
| Making Sense of the War (Latin America) | Goebel, Michael and Tato, María Inés | Argentina, Brazil, Colombia, Mexico, Nicaragua, Peru | Media |
| Making Sense of the War (Ottoman Empire/Middle East) | Minasidis, Charalampos | Ottoman Empire | Media |
| Militarism | Melby, Christian K. | Germany, Great Britain and Ireland, Italy, Japan, Russian Empire | Pre-war |
| Minorities in Germany (Denmark) | Schultz Hansen, Hans | Denmark | Home Front |
| Moral Norms and Values | Barry, Gearóid | Austria, Canada, France, Germany, Great Britain and Ireland, Italy, Russian Empire, USA | Home Front |
| Mourning and Cult of the Fallen (Portugal) | Correia, Silvia | Portugal | Post-war |
| Music (Portugal) | Félix, Pedro | Portugal | Media |
| Nationalism | Newman, John Paul | Austria-Hungary, Bulgaria, France, Germany, Greece, Italy, Ottoman Empire, Romania, Serbia | Pre-war |
| Nationalities (Austria-Hungary) | Stergar, Rok | Austria-Hungary | Home Front |
| Northern Africa | DeGeorges, Thomas Patrick | Northern Africa | Home Front, Post-war, Pre-war, Violence |
| Organization of War Economies (Ottoman Empire/Middle East) | Pitts, Graham | Ottoman Empire | Home Front |
| Persia/Iran | Atabaki, Touraj | Persia/Iran | Home Front, Post-war, Power, Violence |
| Post-war Agrarian Economic Policies (East Central Europe) | Richter, Klaus | Estonia, Latvia, Lithuania, Poland | Post-war |
| Post-war Conflict (Great Britain and Ireland) | Leeson, D. M. | Great Britain, Ireland | Post-war |
| Post-war Economies (Great Britain and Ireland) | Godden, Christopher | Great Britain and Ireland | Post-war |
| Post-war Societies (Belgium) | Kesteloot, Chantal | Belgium | Post-war |
| Post-war Societies (East Central Europe) | Górny, Maciej | Estonia, Latvia, Lithuania, Poland, Ukraine | Post-war |
| Post-war Societies (India) | Sarkar, Sumit | India | Post-war |
| Post-war Societies (Middle East) | Schayegh, Cyrus | Egypt, Iraq, Lebanon, Persia/Iran, Syria | Post-war |
| Post-war Treaties (Ottoman Empire/ Middle East) | Smith, Leonard V. | Ottoman Empire | Post-war |
| Post-war Turmoil and Violence (Hungary) | Révész, Tamás | Hungary | Post-war |
| Post-war Turmoil and Violence (Yugoslavia) | Bozanich, Stevan | Yugoslavia | Post-war |
| Pre-war Paramilitary Mobilisation (Great Britain and Ireland) | Stover, Justin Dolan | Great Britain, Ireland | Pre-war |
| Prisoners of War (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | Violence |
| Propaganda at Home and Abroad (East Central Europe) | Brudek, Paweł | Estonia, Finland, Latvia, Lithuania, Poland | Media |
| Propaganda at Home and in Exile (South East Europe) | Foster, Samuel | Bulgaria, Greece, Montenegro, Romania, Serbia, Yugoslavia | Media |
| Propaganda at Home (Ottoman Empire) | Dölek-Sever, Deniz | Ottoman Empire | Media |
| Property Rights and Economic Nationalism | Caglioti, Daniela L. | Armenia, Austria-Hungary, France, Germany, Great Britain, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| Responses to the War (India) | Das, Santanu | India | Home Front |
| Revolutionary Networks (India) | Singh, Gajendra | India | Power |
| Revolutions | Fulwider, Chad R. | Austria-Hungary, Bulgaria, France, Germany, Greece, Italy, Ottoman Empire, Russian Empire | Power |
| Revolutions and Rebellions: Arab Revolt (Ottoman Empire/Middle East) | El Bakri, Alia | Ottoman Empire | Power |
| Revolutions and Rebellions: Van Resistance as Rebellion (Ottoman Empire/Middle East) | Cora, Yasar Tolga | Ottoman Empire | Power |
| Social Conflict | Morelon, Claire | Austria-Hungary, Belgium, France, Germany, Great Britain, Italy, Japan, Ottoman Empire, Russian Empire, Spain, Switzerland | Home Front |
| Social Conflict and Control, Protest and Repression (Austria-Hungary) | Healy, Maureen, Bronson, Dana and Jemal, Musa | Austria, Czechoslovakia, Hungary | Home Front |
| Social Conflict and Control, Protest and Repression (Indochina) | Morlat, Patrice | Indochina | Home Front |
| Social Costs of War | Redding, Kimberly A. | Austria-Hungary, Belarus, Belgium, France, Germany, Great Britain, Italy, Ottoman Empire, Poland, Serbia, The Netherlands, USA, Ukraine | Home Front |
| Teskilat-i Mahsusa (Ottoman Empire) | Moreau, Odile | Ottoman Empire | Power |
| The Home Front (Newfoundland) | Bishop Stirling, Terry | Newfoundland | Home Front |
| The Military Collapse of the Central Powers | Tunstall, Graydon A. | Austria, Czechoslovakia, Germany, Hungary, Italy, Ottoman Empire | Violence |
| The Way to War | Williamson, Jr., Samuel R. | Austria-Hungary, France, Germany, Great Britain, Ireland, Italy, Japan, Northern Africa, Russian Empire, Serbia | Pre-war |
| Union of South Africa | Stapleton, Timothy J. | Union of South Africa | Home Front, Post-war, Power, Pre-war, Violence |
| War Aims and War Aims Discussions (China) | Danner, Lukas K. | China | Power |
| War Aims and War Aims Discussions (Germany) | Löffelbein, Nils | Germany | Power |
| War Aims and War Aims Discussions (Japan) | Gates, Rustin | Japan | Power |
| War in the Balkans | Hall, Richard C. | Albania, Bulgaria, Greece, Montenegro, Ottoman Empire, Romania, Serbia | Violence |
| Women's Mobilization for War (India) | Das, Santanu | India | Home Front |
| Xenophobia | Brodie, Thomas | Austria-Hungary, Germany, Great Britain, Japan, Ottoman Empire, Poland, USA | Power |
| Yugoslavia | Trgovčević, Ljubinka | Yugoslavia | Post-war, Power, Pre-war, Violence |
