| Atrocities | Kramer, Alan | Austria, Belgium, France, Germany, Great Britain, Ottoman Empire, Serbia, Ukraine | 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 |
| Bulgaria | Hall, Richard C. | Bulgaria | Home Front, Post-war, Power, Pre-war, Violence |
| Burgfrieden/Union sacrée | Krumeich, Gerd | France, Germany | Power |
| Children and Childhood (France) | Pignot, Manon | France | Home Front |
| Children and War (Italy) | Gibelli, Antonio | Italy | Home Front |
| 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 | Sondhaus, Lawrence | Austria, France, Germany, Great Britain, Hungary, Italy, Russian Empire, USA | Power |
| Civilian and Military Power (China) | Wu, Lin-Chun | China | Power |
| Civilian Morale | Ermacora, Matteo | Austria-Hungary, France, Germany, Great Britain and Ireland, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| 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 |
| Commemoration, Cult of the Fallen (Africa) | Chetty, Suryakanthie and Ginio, Ruth | East and Central Africa, Southern Africa, Union of South Africa, West Africa | Post-war |
| Conscription (Australia) | Beaumont, Joan | Australia | Violence |
| Controversy: Total War | Segesser, Daniel Marc | Australia, France, Germany, Great Britain, Ireland, Italy, Japan, USA | Power |
| Destruction of the Ecosystem | Keller, Tait | Belgium, Canada, France, Germany, Indonesia, Mexico, USA | Violence |
| Domestic Politics and Neutrality (Denmark) | Christiansen, Niels Finn | Denmark | Power |
| Domestic Politics and Neutrality (Spain) | Fuentes Codera, Maximiliano | Spain | Power |
| Economic Planning before 1914 | Horn, Martin | Austria-Hungary, France, Germany, Great Britain and Ireland, Russian Empire | Pre-war |
| Enemy Aliens and Internment | Stibbe, Matthew | Austria-Hungary, Germany, Great Britain, USA | Power |
| Exile and Migration (The Netherlands) | Schrover, Marlou | The Netherlands | 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 |
| Food and Nutrition (Austria-Hungary) | Langthaler, Ernst | Austria, Hungary | Home Front |
| Food and Nutrition (Belgium) | Vrints, Antoon | Belgium | Home Front |
| Food and Nutrition (Germany) | Davis, Belinda | Germany | Home Front |
| Food and Nutrition (Indochina) | Peters, Erica J. | Indochina | Home Front |
| Food and Nutrition (Italy) | Dentoni, Maria Concetta | Italy | Home Front |
| Food and Nutrition (Ottoman Empire/Middle East) | Schulze-Tanielian, Melanie | Ottoman Empire | Home Front |
| Food and Nutrition (Portugal) | Rollo, Maria Fernanda and Ana Pires | Portugal | Home Front |
| Forced Labour | Thiel, Jens and Westerhoff, Christian | Austria-Hungary, Belgium, France, Germany, Poland, Russian Empire | Violence |
| Foreign Policy (Spain) | Montero Jiménez, José Antonio | Spain | Power |
| Foreign Policy (The Netherlands) | Abbenhuis, Maartje | The Netherlands | Power |
| France | Beaupré, Nicolas | France | Home Front, Power, Pre-war, Violence |
| French Canada and the War (Canada) | Morin-Pelletier, Mélanie | Canada | Home Front, Media, Power, Pre-war, Violence |
| Germany | Hirschfeld, Gerhard | Germany | Home Front, Power, Pre-war, Violence |
| Governments, Parliaments and Parties (China) | Wu, Lin-Chun | China | 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 (New Zealand) | McAloon, Jim | New Zealand | Power, Pre-war |
| Historiography 1918-Today (Canada) | Shaw, Amy J. | Canada | Post-war |
| Historiography 1918-Today (New Zealand) | Loveridge, Steven | New Zealand | Post-war |
| 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 |
| 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 |
| Intelligence and Espionage (Spain) | García Sanz, Carolina | Spain | Violence |
| Ireland | Grayson, Richard S. | Ireland | Home Front, Post-war, Power, Pre-war, Violence |
| Labor | Rowe, Steven E. | Austria-Hungary, Belgium, France, Germany, Great Britain, Italy, Russian Empire | Home Front |
| Labor (Germany) | Welskopp, Thomas | Germany | Home Front |
| Labour (Belgium) | Luyten, Dirk | Belgium | Home Front |
| Labour (China) | Xu, Guoqi | China | Home Front |
| Labour (France) | Chancerel, Pierre | France | Home Front |
| Labour (India) | Singha, Radhika | India | 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 (Austria-Hungary) | Beneš, Jakub | Austria, Czechoslovakia, Hungary | Home Front |
| Labour, Labour Movements, Trade Unions and Strikes (Great Britain and Ireland) | Wrigley, Chris | Great Britain, Ireland | Home Front |
| Labour, Labour Movements, Trade Unions and Strikes (Italy) | Ermacora, Matteo | Italy | 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, 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 (Australia) | Wise, Nathan | Australia | Home Front |
| Labour Movements, Trade Unions and Strikes (Belgium) | Vrints, Antoon | Belgium | Home Front |
| Labour Movements, Trade Unions and Strikes (Latin America) | Rinke, Stefan | Argentina, Brazil, Chile, Mexico, Peru | 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 |
| Labour (Russian Empire) | Melancon, Michael S. | Russian Empire | Home Front |
| Latin America | Rinke, Stefan and Kriegesmann, Karina | Argentina, Brazil, Chile, Mexico, Panama, Peru | Home Front, Media, Power, Pre-war, Violence |
| Luxembourg | Majerus, Benoît and Roemer, Charles | Luxembourg | Home Front, Post-war, Power, Violence |
| Making Sense of the War (Denmark) | Bendtsen, Bjarne Søndergaard | Denmark | Media |
| Making Sense of the War (India) | Markovits, Claude | India | Media |
| Making Sense of the War (Spain) | García Sanz, Carolina | Spain | Media |
| Making Sense of the War (USA) | Little, Branden | USA | Media |
| Migration and Mobility | Schrover, Marlou | Australia, Canada, Germany, Great Britain, Russian Empire, USA | Home Front |
| New Zealand | Hunter, Kate | New Zealand | Home Front, Post-war, Power, Violence |
| Norway | Haug, Karl Erik | Norway | Home Front, Media, Power, Violence |
| 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 (Germany) | Schröder, Joachim and Watson, Alexander | Germany | Post-war, Power |
| Occupation during the War | Corni, Gustavo | Albania, Austria-Hungary, Belgium, Bulgaria, France, Germany, Italy, Latvia, Lithuania, Montenegro, Poland, Romania, Serbia | Power |
| Occupation during the War (Belgium and France) | Wegner, Larissa | Belgium, France | Power |
| Organization of War Economies | Blum, Matthias, Eloranta, Jari and Osinsky, Pavel | Austria-Hungary, France, Germany, Great Britain, Russian Empire | Home Front |
| Organization of War Economies (Africa) | Pallaver, Karin | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Home Front |
| Organization of War Economies and War Finance (South East Europe) | Rafailović, Jelena | South East Europe | Home Front |
| Organization of War Economies (Australia) | Yule, Peter | Australia | Home Front |
| Organization of War Economies (Austria-Hungary) | Butschek, Felix | Austria, Hungary | Home Front |
| Organization of War Economies (Germany) | Ullmann, Hans-Peter | Germany | Home Front |
| Organization of War Economies (Russian Empire) | Gatrell, Peter | Russian Empire | Home Front |
| Ottoman Empire/Middle East | Yanıkdağ, Yücel | Ottoman Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Persia/Iran | Atabaki, Touraj | Persia/Iran | Home Front, Post-war, Power, Violence |
| Poland | Szlanta, Piotr | Poland | Home Front, Post-war, Power, Pre-war, Violence |
| Post-war Agrarian Economic Policies (East Central Europe) | Richter, Klaus | Estonia, Latvia, Lithuania, Poland | Post-war |
| Post-war Economies (Africa) | Walker-Said, Charlotte | East and Central Africa, Southern Africa, Union of South Africa, West Africa | Post-war |
| Post-war Economies (Belgium) | Luyten, Dirk | Belgium | Post-war |
| Post-war Economies (East Central Europe) | Morawski, Wojciech | Estonia, Finland, Latvia, Lithuania, Poland, Russian Empire | Post-war |
| Post-war Economies (France) | Le Bras, Stéphane | France | Post-war |
| Post-war Economies (Italy) | Degli Esposti, Fabio | Italy | Post-war |
| Post-war Economies (Latin America) | Bulmer-Thomas, Victor | Argentina, Bolivia, Brazil, Chile, Colombia, Dominican Republic, Ecuador, Haiti, Honduras, Mexico, Paraguay, Peru, Venezuela | Post-war |
| Post-war Economies (New Zealand) | McKinnon, Malcolm | New Zealand | Post-war |
| Post-war Economies (Russian Empire) | Heywood, Anthony | Russian Empire | Post-war |
| Post-war Economies (South East Europe) | Innerhofer, Ian | Albania, Bulgaria, Greece, Romania, Serbia, Yugoslavia | Post-war |
| Post-war Economies (Turkey) | Barlas, Dilek | Ottoman Empire | Post-war |
| Post-war Settlement (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Post-war |
| Post-war Societies (Africa) | Nkwi, Walter Gam | East and Central Africa, West Africa | Post-war |
| Post-war Societies (France) | Demiaux, Victor | France | Post-war |
| Post-war Societies (Germany) | Schumann, Dirk | Germany | Post-war |
| Post-war Societies (Italy) | Baravelli, Andrea | Italy | Post-war |
| Post-war Welfare Policies | Pironti, Pierluigi | Austria, Czechoslovakia, France, Germany, Great Britain, Italy, USA | Post-war |
| Prisoners of War | Jones, Heather | Austria-Hungary, Bulgaria, France, Germany, Great Britain, Italy, Ottoman Empire, Russian Empire, Serbia | Violence |
| Prisoners of War and Internees (Great Britain) | Panayi, Panikos | Great Britain, Ireland | Violence |
| Prisoners of War (Australia) | Pegram, Aaron | Australia | Violence |
| Prisoners of War (Austria-Hungary) | Moritz, Verena and Walleczek-Fritz, Julia | Austria, Hungary | Violence |
| Prisoners of War (Belgium and France) | Jones, Heather | Belgium, France | Violence |
| Prisoners of War (Germany) | Jones, Heather and Hinz, Uta | Germany | Violence |
| Prisoners of War (India) | Liebau, Heike | India | Violence |
| Prisoners of War (Italy) | Gorgolini, Luca | Italy | Violence |
| Prisoners of War (Russian Empire) | Nachtigal, Reinhard and Radauer, Lena | Russian Empire | Violence |
| Property Rights and Economic Nationalism | Caglioti, Daniela L. | Armenia, Austria-Hungary, France, Germany, Great Britain, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| Raw Materials | Chancerel, Pierre | Austria-Hungary, Brazil, Chile, China, France, Germany, Great Britain, India, Italy, Japan, Mexico, Russian Empire, USA | Home Front |
| Resettlement | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Greece, Italy, Latvia, Lithuania, Poland, Romania, Russian Empire, Serbia | Power |
| Responses to the War (India) | Das, Santanu | India | Home Front |
| Revolutions (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Power |
| Romania | Heppner, Harald and Gräf, Rudolf | Romania | Home Front, Post-war, Power, Pre-war, Violence |
| 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 (Australia) | Endacott, Eric | Australia | Home Front |
| Science and Technology (Canada) | Iarocci, Andrew | Canada | Home Front |
| Science and Technology (Germany) | Schwarz, Angela | Germany | Home Front |
| Science and Technology (Italy) | Scartabellati, Andrea and Ratti, Felicita | Italy | Home Front |
| Science and Technology (Japan) | Kikuchi, Yoshiyuki | Japan | Home Front |
| Science and Technology (Russian Empire) | Palmer, Scott W. | Russian Empire | Home Front |
| Sea Transport and Supply | Miller B., Michael | France, Germany, Great Britain, India, Italy, Norway, USA | Home Front |
| Serbia | Bjelajac, Mile | Serbia | Home Front, Post-war, Power, Pre-war, Violence |
| Siam | Hell, Stefan | Siam | Home Front, Post-war, Power, Violence |
| Social Conflict and Control, Protest and Repression (Australia) | Crotty, Martin | Australia | 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 (Italy) | Bianchi, Roberto | Italy | Home Front |
| Southern Africa | Storey Kelleher, William | Southern Africa | Home Front, Power, Pre-war, Violence |
| Spain | Ponce, Javier | Spain | Home Front, Media, Post-war, Power, Pre-war, Violence |
| 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 |
| Sweden | Qvarnström, Sofi | Sweden | Home Front, Media, Post-war, Power, Pre-war |
| 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 |
| Transportation and Logistics | Brown, Ian M. | France, Germany, Great Britain, Iraq, Ottoman Empire, Persia/Iran | Home Front |
| Union of South Africa | Stapleton, Timothy J. | Union of South Africa | Home Front, Post-war, Power, Pre-war, Violence |
| United States of America | Keene, Jennifer D. | USA | Home Front, Media, Post-war, Power, Violence |
| Urban Societies and Cities | Lees, Andrew | Austria-Hungary, France, Germany, Great Britain, Ottoman Empire, Russian Empire | Home Front |
| Veterans' Associations | Eichenberg, Julia | France, Germany, Great Britain, Poland, USA | Post-war |
| Veterans' Associations (Great Britain and Ireland) | Hanna, Emma | Great Britain, Ireland | Home Front, Post-war |
| War Aims and War Aims Discussions | Soutou, Georges-Henri | Austria-Hungary, France, Germany, Great Britain, Russian Empire, USA | Power |
| War Aims and War Aims Discussions (Australia) | Beaumont, Joan | Australia | Power |
| War and Colonial Finance (Africa) | Pallaver, Karin | East and Central Africa, Union of South Africa, West Africa | Home Front |
| War Finance and Monetary Consequences: The German Case Revisited | Hardach, Gerd | Germany | Home Front, Post-war, Pre-war |
| War Finance (Australia) | Mann, Jatinder | Australia | Home Front |
| War Finance (Austria-Hungary) | Pogány, Ágnes | Austria, Hungary | Home Front |
| War Finance (Belgium) | Luyten, Dirk | Belgium | Home Front |
| War Finance (France) | Baubeau, Patrice | France | Home Front |
| War Finance (Germany) | Gross, Stephen | Germany | Home Front |
| War Finance (Great Britain and Ireland) | Horn, Martin | Great Britain | Home Front |
| War Finance (Italy) | Degli Esposti, Fabio | Italy | Home Front |
| War Finance (Japan) | Sakamoto, Yuichiro | Japan | Home Front |
| War Finance (Portugal) | Amaral, Luciano and Silva, Álvaro da | Portugal | Home Front, Post-war |
| War Finance (Russian Empire) | Marks, Steven G. | Russian Empire | Home Front |
| War Losses (Africa) | Lunn, Joe Harris | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Violence |
| Wartime and Post-war Economies (China) | Frölich, Hajo | China | Post-war |
| Wartime and Post-war Economies (Denmark) | Pedersen, Jan | Denmark | Home Front |
| Wartime and Post-war Economies (Spain) | Sánchez Picón, Andrés and García Gómez, José Joaquín | Spain | Home Front |
| Wartime and Post-war Economies (Switzerland) | Straumann, Tobias | Switzerland | Home Front, Post-war |
| Wartime and Post-war Economies (The Netherlands) | Klemann, Hein A. M. | The Netherlands | Home Front |
| Wartime and Post-war Societies (Spain) | Martorell Linares, Miguel Angel | Spain | Home Front |
| Women, Gender, Social Movements (Switzerland) | Joris, Elisabeth | Switzerland | Home Front |
| Women's Mobilisation for War (Canada) | Glassford, Sarah | Canada | Home Front |
| Women's Mobilisation for War (Germany) | Stibbe, Matthew | Germany | Home Front |
| Women’s Mobilization for War | Grayzel, Susan R. | Australia, Austria-Hungary, Canada, France, Germany, Great Britain, India, Ireland, Italy, Russian Empire, USA | Home Front |
| Women's Mobilization for War (Great Britain and Ireland) | Noakes, Lucy | Great Britain, Ireland | Home Front |
| Women's Mobilization for War (Italy) | Bartoloni, Stefania | Italy | Home Front |
| Women's Mobilization for War (Newfoundland) | Bishop Stirling, Terry | Newfoundland | Home Front |
| Women's Mobilization for War (New Zealand) | Hunter, Kate | New Zealand | Home Front |
