| 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 |
| Austria-Hungary | Judson, Pieter M. | Austria, Hungary | Home Front, Media, Post-war, Power, Pre-war, Violence |
| Baltic States and Finland | Richter, Klaus | Estonia, Finland, Latvia, Lithuania | Home Front, Post-war, Power, Pre-war, Violence |
| Belgium | De Schaepdrijver, Sophie | Belgium | Home Front, Post-war, Power, Violence |
| Centenary (Armenia) | Adjemian, Boris | Armenia | Post-war |
| Centenary (Russia) | Nagornaja, Oxana Sergeevna | Russian Empire | Post-war |
| Civilian and Military Power (Austria-Hungary) | Kuprian, Hermann and Goll, Nicole-Melanie | Austria-Hungary | Power |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| Disease and Public Health (Ottoman Empire/Middle East) | Schulze-Tanielian, Melanie | Ottoman Empire | Home Front |
| Enemy Aliens and Internment | Stibbe, Matthew | Austria-Hungary, Germany, Great Britain, USA | Power |
| Exile and Migration (Spain) | Cordero Olivero, Inmaculada | Spain | Home Front |
| Exile and Migration (Sweden) | Kvist Geverts, Karin | Sweden | Home Front |
| Exile and Migration (Switzerland) | Huber, Anja | Switzerland | Home Front |
| Exile and Migration (The Netherlands) | Schrover, Marlou | The Netherlands | Home Front |
| Food and Nutrition (Russian Empire) | Golubinov, Iaroslav | Russian Empire | Home Front |
| France | Beaupré, Nicolas | France | Home Front, Power, Pre-war, Violence |
| Health, Disease, Mortality; Demographic Effects | Cretu, Doina Anca | Austria-Hungary, France, Germany, Great Britain, India, Italy, Japan, New Zealand, Ottoman Empire, Poland, Romania, Russian Empire, Serbia, USA | Home Front |
| Hong Kong | Kwong, Chi Man | Hong Kong | |
| Humanitarianism (The Netherlands) | van Bergen, Leo | The Netherlands | Home Front |
| International Committee of the Red Cross | Herrmann, Irène and Palmieri, Daniel | Switzerland | Home Front, Post-war, Power, Pre-war, Violence |
| Labour (Russian Empire) | Melancon, Michael S. | Russian Empire | Home Front |
| Making Sense of the War (Ottoman Empire/Middle East) | Minasidis, Charalampos | Ottoman Empire | Media |
| Making Sense of the War (The Netherlands) | Brolsma, Marjet | The Netherlands | Media |
| Migration and Mobility | Schrover, Marlou | Australia, Canada, Germany, Great Britain, Russian Empire, USA | Home Front |
| Migration (Norway) | Brazier, Eirik | Norway | Home Front |
| Minorities (Ottoman Empire/Middle East) | Kieser, Hans-Lukas | Ottoman Empire | Home Front, Pre-war, Violence |
| Negotiating and Mediating Conduct of War | Stibbe, Matthew | Austria-Hungary, Belgium, China, East and Central Africa, France, Germany, Great Britain, Italy, Japan, Northern Africa, Ottoman Empire, Russian Empire, Spain, Sweden, Switzerland, The Netherlands, USA, West Africa | Violence |
| Occupation during and after the War (Germany) | Schröder, Joachim and Watson, Alexander | Germany | Post-war, Power |
| Occupation during and after the War (Italy) | Ermacora, Matteo | Italy | Post-war, Power |
| Occupation during and after the War (Russian Empire) | Dornik, Wolfram | Russian Empire | Post-war, Power |
| Occupation during the War | Corni, Gustavo | Albania, Austria-Hungary, Belgium, Bulgaria, France, Germany, Italy, Latvia, Lithuania, Montenegro, Poland, Romania, Serbia | Power |
| Ottoman Empire/Middle East | Yanıkdağ, Yücel | Ottoman Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Post-war Societies | Bessel, Richard | Austria-Hungary, Belgium, Denmark, France, Germany, Great Britain and Ireland, Greece, Ottoman Empire, Poland, Serbia, USA, Ukraine, West Africa, Yugoslavia | 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 (France) | Demiaux, Victor | France | Post-war |
| Prisoners of War and Internees (Union of South Africa) | Dedering, Tilman | Union of South Africa | Violence |
| Red Cross | Cotter, Cédric | Austria-Hungary, Denmark, France, Germany, Great Britain, Russian Empire, Sweden, Switzerland, USA | 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 |
| Refugees (Italy) | Frizzera, Francesco | Italy | Violence |
| Resettlement | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Greece, Italy, Latvia, Lithuania, Poland, Romania, Russian Empire, Serbia | Power |
| Russian Empire | Sanborn, Joshua A. | Russian Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Serbia | Bjelajac, Mile | Serbia | Home Front, Post-war, Power, Pre-war, Violence |
| Shifts and Tensions in Ethnic/National Groups | Chernev, Borislav | Austria-Hungary, Ottoman Empire, Russian Empire | Violence |
| 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 |
| State, Civil Society and Relief Organizations for War | Little, Branden | Australia, Austria-Hungary, Belgium, Canada, France, Germany, Great Britain, Italy, Russian Empire, USA | Home Front |
| Teskilat-i Mahsusa (Ottoman Empire) | Moreau, Odile | Ottoman Empire | Power |
| The Everyday as Involved in War | Proctor, Tammy M. | Austria-Hungary, Belgium, Germany, Italy, Poland, Russian Empire, USA | Home Front |
| Urban Societies and Cities | Lees, Andrew | Austria-Hungary, France, Germany, Great Britain, Ottoman Empire, Russian Empire | Home Front |
| War Aims and War Aims Discussions (Belgium) | van Tuyll, Hubert | Belgium | Power |
| War Losses (Ottoman Empire/Middle East) | Baş, Mehmet Fatih | Ottoman Empire | Violence |
| War Losses (Russian Empire) | Sumpf, Alexandre | Russian Empire | Violence |
| Wartime and Post-war Societies (The Netherlands) | Kristel, Conny | The Netherlands | Home Front |
| West Africa | Njung, George N. | West Africa | Power, Pre-war, Violence |
| Women's Mobilization for War (Belgium) | Gubin, Eliane, Flour, Els and Kympers, Marie | Belgium | Home Front |
| Women's Mobilization for War (Russian Empire) | Laurie, Stoff | Russian Empire | Home Front, Violence |
| Xenophobia | Brodie, Thomas | Austria-Hungary, Germany, Great Britain, Japan, Ottoman Empire, Poland, USA | Power |
