| African American Soldiers (USA) | McDaniels III, Pellom | USA | 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 |
| Baltic States and Finland | Richter, Klaus | Estonia, Finland, Latvia, Lithuania | Home Front, Post-war, Power, Pre-war, Violence |
| Children and Youth | Donson, Andrew | Australia, Austria-Hungary, Canada, France, Germany, Great Britain, Italy, New Zealand, USA | Home Front |
| Children and Youth: Ottoman Empire (Ottoman Empire/Middle East) | Maksudyan, Nazan | Ottoman Empire | Home Front |
| China | Mühlhahn, Klaus | China | Home Front, Post-war, Power, Pre-war, Violence |
| Civilian and Military Power (USA) | Ford, Nancy Gentile | USA | 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 |
| Enemy Aliens and Internment | Stibbe, Matthew | Austria-Hungary, Germany, Great Britain, USA | Power |
| Ethnic Minorities at War (USA) | Laskin, David | USA | Violence |
| 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 |
| Food and Nutrition (Ottoman Empire/Middle East) | Schulze-Tanielian, Melanie | Ottoman Empire | Home Front |
| Indigenous Experience of War (British Dominions) | Riseman, Noah and Winegard, Timothy C. | Australia, Canada, New Zealand, Newfoundland, Union of South Africa | Violence |
| Indochinese Workers in France (Indochina) | Vu-Hill, Kimloan | Indochina | Home Front |
| Internment (Canada) | Avery, Donald H. | Canada | Violence |
| Labour (China) | Xu, Guoqi | China | Home Front |
| Minorities (Ottoman Empire/Middle East) | Kieser, Hans-Lukas | Ottoman Empire | Home Front, Pre-war, Violence |
| Moral Norms and Values | Barry, Gearóid | Austria, Canada, France, Germany, Great Britain and Ireland, Italy, Russian Empire, USA | Home Front |
| Occupation after the War (Belgium and France) | Godfroid, Anne | Belgium, France | Post-war, Power |
| Occupation during and after the War (East Central Europe) | Lehnstaedt, Stephan | Poland | Post-war, Power |
| Occupation during and after the War (Russian Empire) | Dornik, Wolfram | Russian Empire | Post-war, Power |
| Post-war Military Action and Violence (East Central Europe) | Böhler, Jochen | Austria, Belarus, Estonia, Germany, Hungary, Lithuania, Poland, Ukraine | Post-war, Violence |
| Property Rights and Economic Nationalism | Caglioti, Daniela L. | Armenia, Austria-Hungary, France, Germany, Great Britain, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| Prostitution (Ottoman Empire) | Oğuz, Çiğdem | Ottoman Empire | Home Front |
| Refugees | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Great Britain, Greece, Italy, Latvia, Lithuania, Ottoman Empire, Poland, Russian Empire, Serbia, The Netherlands | Violence |
| Resettlement | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Greece, Italy, Latvia, Lithuania, Poland, Romania, Russian Empire, Serbia | Power |
| Revolutionary Networks (India) | Singh, Gajendra | India | Power |
| Revolutions and Rebellions: Van Resistance as Rebellion (Ottoman Empire/Middle East) | Cora, Yasar Tolga | Ottoman Empire | Power |
| Shifts and Tensions in Ethnic/National Groups | Chernev, Borislav | Austria-Hungary, Ottoman Empire, Russian Empire | Violence |
| Social Conflict and Control, Protest and Repression (Australia) | Crotty, Martin | Australia | Home Front |
| War Losses (Russian Empire) | Sumpf, Alexandre | Russian Empire | Violence |
| War Losses (USA) | Byerly, Carol R. | USA | Violence |
