| Afrikaner (Boer) Rebellion (Union of South Africa) | Wessels, André | Union of South Africa | Violence |
| Alliance System 1914 | Kronenbitter, Günther | Afghanistan, Albania, Austria-Hungary, Belgium, Bulgaria, Egypt, France, Germany, Great Britain and Ireland, India, Italy, Japan, Latin America, Northern Africa, Ottoman Empire, Persia/Iran, Romania, Russian Empire, Serbia, Spain, USA | Pre-war |
| 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 |
| Australia | Beaumont, Joan | Australia | Home Front, Post-war, Power, Pre-war, Violence |
| Baltic States and Finland | Richter, Klaus | Estonia, Finland, Latvia, Lithuania | Home Front, Post-war, Power, Pre-war, Violence |
| Bereavement and Mourning | Hettling, Manfred and Schölz, Tino | Australia, Austria, Belgium, Bulgaria, Canada, China, Czechoslovakia, Germany, Great Britain, Greece, Hungary, India, Japan, Korea, Lithuania, New Zealand, Ottoman Empire, Poland, Portugal, Russian Empire, USA, Union of South Africa | Home Front |
| Bereavement and Mourning (Russian Empire) | Malysheva, Svetlana | Russian Empire | Home Front |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War | Loez, André | Austria-Hungary, Canada, France, Germany, Great Britain, Ireland, Italy, Russian Empire, USA | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Canada) | Smith, Nathan | Canada | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Russian Empire) | Astashov, Aleksandr Borisovich | Russian Empire | Violence |
| Bulgaria | Hall, Richard C. | Bulgaria | Home Front, Post-war, Power, Pre-war, Violence |
| Canada | Granatstein, J. L. | Canada | Home Front, Post-war, Pre-war, Violence |
| Centenary (Computer Games) | Kempshall, Chris | Belgium, France, Great Britain, Italy, Ottoman Empire, USA | Media, Post-war |
| Centenary (Germany) | Pöhlmann, Markus | Germany | Post-war |
| Centenary (Russia) | Nagornaja, Oxana Sergeevna | Russian Empire | Post-war |
| Centenary (Ukraine) | Yurchuk, Yuliya | Ukraine | Post-war |
| Civilian and Military Power | Sondhaus, Lawrence | Austria, France, Germany, Great Britain, Hungary, Italy, Russian Empire, USA | Power |
| Civilian and Military Power (France) | Bourlet, Michaël | France | Power |
| Civilian Morale | Ermacora, Matteo | Austria-Hungary, France, Germany, Great Britain and Ireland, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| Civil-Military Relations during World War I (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Power, Violence |
| Civil-Military Relations during World War I (Russian Empire) | Porshneva, Olga | Russian Empire | Power, Violence |
| 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 Society (Indochina) | Brocheux, Pierre | Indochina | Home Front, Power, Pre-war |
| Colonial State Power and Politics (Africa) | Pesek, Michael | Africa | Power |
| Colonies (Italy) | Berhe, Simona | Italy | Power |
| Commemoration, Cult of the Fallen (Russian Empire) | Cohen, Aaron | Russian Empire | Post-war |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| Disease and Public Health (Portugal) | Garnel, Rita | Portugal | Home Front |
| Domestic Politics and Neutrality (Sweden) | Hedén, Anne | Sweden | Power |
| Domestic Politics and Neutrality (The Netherlands) | Onderwater, Pauline | The Netherlands | 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 |
| Exile and Migration (The Netherlands) | Schrover, Marlou | The Netherlands | Home Front |
| Fascism and the Radical Right | Corni, Gustavo | Germany, Italy | Post-war |
| Film/Cinema (East Central Europe) | Pryt, Karina | Poland | Media |
| Film/Cinema (Russian Empire) | Sumpf, Alexandre | Russian Empire | Media |
| Film/Cinema (Spain) | Sánchez-Salas, Daniel | Spain | Media |
| Food and Nutrition (Portugal) | Rollo, Maria Fernanda and Pires, Ana Paula | Portugal | Home Front |
| Food and Nutrition (Russian Empire) | Golubinov, Iaroslav | Russian Empire | Home Front |
| Foreign Policy (Sweden) | Åselius, Gunnar | Sweden | Power |
| Germany | Hirschfeld, Gerhard | Germany | Home Front, Power, Pre-war, Violence |
| 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 (Australia) | Connor, John | Australia | Power |
| Governments, Parliaments and Parties (Germany) | Oppelland, Torsten | Germany | Power |
| Governments, Parliaments and Parties (Great Britain and Ireland) | Johnson, Matthew | Great Britain, Ireland | Power |
| Governments, Parliaments and Parties (Italy) | Papadia, Elena | Italy | Power |
| Governments, Parliaments and Parties, Labour, Labour Movements and Strikes (Union of South Africa) | Visser, Wessel Pretorius | Union of South Africa | Home Front, Power |
| Governments, Parliaments and Parties (Ottoman Empire/Middle East) | Ahmad, Feroz | Ottoman Empire | Power |
| Governments, Parliaments and Parties (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Power |
| Historiography 1918-Today | Winter, Jay | Australia, France, Germany, Great Britain, Russian Empire | Post-war |
| Historiography 1918-Today (Japan) | Revelant, Andrea | Japan | Post-war |
| Historiography 1918-Today (Latin America) | Rinke, Stefan | Argentina, Brazil, Chile, Mexico | Post-war |
| Historiography 1918-Today (Middle East/Arab Lands) | Smith, Charles D. | Ottoman Empire | Post-war |
| Hong Kong | Kwong, Chi Man | Hong Kong | |
| Humanitarianism (Denmark) | Sørensen, Nils Arne | Denmark | Home Front |
| Humanitarianism (Sweden) | Sturfelt, Lina | Sweden | Home Front |
| International Responses to the Russian Civil War (Russian Empire) | Mawdsley, Evan | Russian Empire | Post-war, Power, Violence |
| Internment (Canada) | Avery, Donald H. | Canada | Violence |
| Ireland | Grayson, Richard S. | Ireland | Home Front, Post-war, Power, Pre-war, Violence |
| Labor (Germany) | Welskopp, Thomas | Germany | Home Front |
| Labour (Belgium) | Luyten, Dirk | Belgium | Home Front |
| Labour (France) | Chancerel, Pierre | France | Home Front |
| Labour, Labour Movements and Strikes (Ottoman Empire/ Middle East) | Thompson, Elizabeth and Akin, Yiğit | Ottoman Empire | Home Front |
| Labour, Labour Movements, Trade Unions and Strikes (Switzerland) | Koller, Christian | Switzerland | Home Front |
| Labour Movements and Strikes (East Central Europe) | Brudek, Paweł | Estonia, Finland, Latvia, Lithuania, Poland | Home Front |
| Labour Movements and Strikes, Social Conflict and Control, Protest and Repression (France) | Haddad, Galit | France | Home Front |
| Labour Movements and Strikes, Social Conflict and Control, Protest and Repression (Germany) | Weinhauer, Klaus | Germany | Home Front |
| Labour Movements, Trade Unions and Strikes | Thompson, James | Austria-Hungary, Belgium, France, Germany, Great Britain, Italy, Russian Empire, Switzerland | Home Front |
| Labour Movements, Trade Unions and Strikes (Canada) | St. Croix, Brad | Canada | Home Front |
| Labour Movements, Trade Unions and Strikes (Portugal) | Dias Pereira, Joana | Portugal | Home Front |
| Labour Movements, Trade Unions and Strikes (Russian Empire) | Albert, Gleb | Russian Empire | Home Front |
| Labour Movements, Trade Unions and Strikes (USA) | Taillon, Paul Michel | USA | Home Front |
| Literature (India) | Das, Santanu | India | Media |
| Making Sense of the War (Africa) | Pesek, Michael | Africa | Media |
| Making Sense of the War (Italy) | Lunzer, Renate | Italy | Media |
| Making Sense of the War (Ottoman Empire/Middle East) | Minasidis, Charalampos | Ottoman Empire | Media |
| Migration and Mobility | Schrover, Marlou | Australia, Canada, Germany, Great Britain, Russian Empire, USA | 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 |
| 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 |
| Naval Blockade (of Germany) | Kramer, Alan | Germany | Home Front, Power, Violence |
| Newfoundland | Hiller, James K. and O'Brien, Mike | Newfoundland | Home Front, Power, Violence |
| Non-European Soldiers | Fogarty, Richard and Jarboe, Andrew Tait | Belgium, East and Central Africa, Egypt, France, Great Britain and Ireland, India, Indochina, Iraq, Northern Africa, Ottoman Empire, West Africa | Violence |
| Organization of War Economies | Blum, Matthias, Eloranta, Jari and Osinsky, Pavel | Austria-Hungary, France, Germany, Great Britain, Russian Empire | Home Front |
| Portugal | Rollo, Maria Fernanda, Pires, Ana Paula and Meneses, Filipe Ribeiro de | Portugal | Home Front, Power, Pre-war, Violence |
| 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 Economies (Middle East) | Schewe, Eric | Middle East | Post-war |
| Post-war Economies (Russian Empire) | Heywood, Anthony | Russian Empire | Post-war |
| Post-war Military Action and Violence (East Central Europe) | Böhler, Jochen | Belarus, Estonia, Latvia, Lithuania, Poland, Ukraine | Post-war, Violence |
| Post-war Political Consequences (Portugal) | Samara, Maria Alice | Portugal | Post-war |
| Post-war Societies (India) | Sarkar, Sumit | India | Post-war |
| Post-war Turmoil and Violence (Hungary) | Révész, Tamás | Hungary | Post-war |
| Post-war Turmoil and Violence (Yugoslavia) | Bozanich, Stevan | Yugoslavia | Post-war |
| Press/Journalism (Russian Empire) | Zhdanova, Irina | Russian Empire | Media |
| Pre-war Societies (Ottoman Empire/Middle East) | Dannies, Kate | Ottoman Empire | Pre-war |
| Prisoners of War (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | Violence |
| Propaganda in the Colonies (Africa) | Orosz, Kenneth J. | Africa | Media |
| Refugees | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Great Britain, Greece, Italy, Latvia, Lithuania, Ottoman Empire, Poland, Russian Empire, Serbia, The Netherlands | Violence |
| Religion (Portugal) | Moura, Maria Lúcia de Brito | Portugal | Home Front, Power, Violence |
| Resettlement | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Greece, Italy, Latvia, Lithuania, Poland, Romania, Russian Empire, Serbia | Power |
| Resistance and Rebellions (Africa) | Moyd, Michelle | Africa | Power |
| 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 |
| Revolutions (East Central Europe) | Brudek, Paweł | Estonia, Finland, Latvia, Lithuania, Poland | Power |
| Revolutions (Germany) | Gallus, Alexander | Germany | Power |
| Revolutions (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Power |
| Rural Society | Ermacora, Matteo | Australia, Austria-Hungary, Canada, France, Germany, Great Britain, India, Italy, Russian Empire, USA | Home Front |
| Russian Civil War | Sumpf, Alexandre | Russian Empire | Post-war |
| Russian Empire | Sanborn, Joshua A. | Russian Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Science and Technology (Russian Empire) | Palmer, Scott W. | Russian Empire | Home Front |
| Shifts and Tensions in Ethnic/National Groups | Chernev, Borislav | Austria-Hungary, Ottoman Empire, Russian Empire | Violence |
| 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 (Great Britain and Ireland) | Bibbings, Lois | Great Britain, Ireland | Home Front |
| Social Conflict and Control, Protest and Repression (Indochina) | Morlat, Patrice | Indochina | Home Front |
| Social Conflict and Control, Protest and Repression (Portugal) | Dias Pereira, Joana | Portugal | Home Front |
| Social Conflict and Control, Protest and Repression (Russian Empire) | Melancon, Michael S. | Russian Empire | 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 |
| Spain | Ponce, Javier | Spain | Home Front, Media, Post-war, Power, Pre-war, Violence |
| Switzerland | Tanner, Jakob | Switzerland | Home Front, Media, Power |
| Taiwan | Dawley, Evan | Taiwan | Power |
| The Military Collapse of the Central Powers | Tunstall, Graydon A. | Austria, Czechoslovakia, Germany, Hungary, Italy, Ottoman Empire | Violence |
| The Netherlands | Kruizinga, Samuël, Moeyes, Paul and Klinkert, Wim | The Netherlands | Media, Post-war, Power, Pre-war, Violence |
| Union of South Africa | Stapleton, Timothy J. | Union of South Africa | Home Front, Post-war, Power, Pre-war, Violence |
| Urban Societies and Cities | Lees, Andrew | Austria-Hungary, France, Germany, Great Britain, Ottoman Empire, Russian Empire | Home Front |
| War Aims and War Aims Discussions (Germany) | Löffelbein, Nils | Germany | Power |
| War Aims and War Aims Discussions (Great Britain and Ireland) | Millman, Brock | Great Britain and Ireland | Power |
| War Aims and War Aims Discussions (Japan) | Gates, Rustin | Japan | Power |
| War Aims and War Aims Discussions (Russian Empire) | Schimmelpenninck van der Oye, David | Russian Empire | Power |
| Warfare 1914-1918 (Ottoman Empire/Middle East) | Baş, Mehmet Fatih | Egypt, Iraq, Lebanon, Ottoman Empire, Palestine, Syria | Violence |
| Warfare 1914-1918 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
| War Losses (Ottoman Empire/Middle East) | Baş, Mehmet Fatih | Ottoman Empire | Violence |
| War Losses (Russian Empire) | Sumpf, Alexandre | Russian Empire | Violence |
| War Memory, Commemoration (Ottoman Empire/ Middle East) | Anderson, Kyle J. | Armenia, Egypt, Iraq, Lebanon, Ottoman Empire, Palestine, Syria | Post-war |
| Wartime and Post-war Societies (Denmark) | Østergaard Schultz, Annette | Denmark | Home Front |
| Wartime and Post-war Societies (Sweden) | Sturfelt, Lina | Sweden | Home Front |
