| African Labour in Europe (Africa) | Fogarty, Richard | East and Central Africa, Egypt, Northern Africa, Union of South Africa, West Africa | Home Front, Power |
| Afrikaner (Boer) Rebellion (Union of South Africa) | Wessels, André | Union of South Africa | Violence |
| Albania | Blumi, Isa | Albania | Home Front, Post-war, Power, Pre-war, Violence |
| 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 |
| Belgium | De Schaepdrijver, Sophie | Belgium | Home Front, Post-war, Power, 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 (Belgium) | van Ypersele, Laurence | Belgium | 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 (Africa) | Koller, Christian | Africa | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Australia) | Stanley, Peter | Australia | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Austria-Hungary) | Lein, Richard | Austria, Hungary | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Belgium) | Spijkerman, Rose | Belgium | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Canada) | Smith, Nathan | Canada | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Germany) | Bruendel, Steffen | Germany | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Great Britain and Ireland) | Meyer, Jessica | Great Britain and Ireland | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Russian Empire) | Astashov, Aleksandr Borisovich | Russian Empire | Violence |
| Burma | Charney, Michael W. | Burma | Home Front, Power, Violence |
| Canada | Granatstein, J. L. | Canada | Home Front, Post-war, Pre-war, Violence |
| Centenary (Belarus) | Zamoiski, Andrei | Belarus | Post-war |
| Centenary (Computer Games) | Kempshall, Chris | Belgium, France, Great Britain, Italy, Ottoman Empire, USA | Media, Post-war |
| Centenary (New Zealand) | Phillips, Jock and Baird, Kingsley | New Zealand | Post-war |
| Centenary (Russia) | Nagornaja, Oxana Sergeevna | Russian Empire | Post-war |
| Centenary (Turkey) | Maksudyan, Nazan | Ottoman Empire | Post-war |
| Centenary (Ukraine) | Yurchuk, Yuliya | Ukraine | Post-war |
| Children and Childhood (France) | Pignot, Manon | France | Home Front |
| Civilian and Military Power | Sondhaus, Lawrence | Austria, France, Germany, Great Britain, Hungary, Italy, Russian Empire, USA | Power |
| Civilian and Military Power (Australia) | Connor, John | Australia | Power |
| Civilian and Military Power (France) | Bourlet, Michaël | France | Power |
| Civilian and Military Power (Germany) | Grawe, Lukas | Germany | Power |
| Civilian and Military Power (Great Britain and Ireland) | Johnson, Matthew | Great Britain and Ireland | Power |
| Civilian and Military Power (Italy) | Mondini, Marco | Italy | Power |
| Civilian and Military Power (Japan) | Dickinson, Frederick R. | Japan | Power, Pre-war |
| Civilian and Military Power (Newfoundland) | Baker, Melvin | Newfoundland | Home Front |
| Civilian and Military Power (Ottoman Empire) | Maksudyan, Nazan | Ottoman Empire | Power |
| Civilian and Military Power (South East Europe) | Newman, John Paul | Albania, Bulgaria, Greece, Montenegro, Romania, Serbia | 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 |
| Colonial State Power and Politics (Africa) | Pesek, Michael | Africa | Power |
| Colonial Warfare and Occupation (Africa) | Digre, Brian | East and Central Africa, Southern Africa, Union of South Africa, West Africa | Post-war, Power |
| Colonies (Italy) | Berhe, Simona | Italy | Power |
| Controversy: War Culture | Purseigle, Pierre | France, Great Britain | Home Front |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| Discipline and Military Justice (Italy) | Guerrini, Irene and Pluviano, Marco | Italy | Violence |
| Enemy Aliens and Internment | Stibbe, Matthew | Austria-Hungary, Germany, Great Britain, USA | Power |
| Espionage | Debruyne, Emmanuel | Austria-Hungary, Belgium, France, Germany, Great Britain, Ireland, Italy, Russian Empire, Serbia, The Netherlands, USA | Violence |
| Exile and Migration (The Netherlands) | Schrover, Marlou | The Netherlands | Home Front |
| Film/Cinema (East Central Europe) | Pryt, Karina | Poland | Media |
| Film/Cinema (Ottoman Empire) | Çeliktemel-Thomen, Özde | Ottoman Empire | Media |
| Forced Labour | Thiel, Jens and Westerhoff, Christian | Austria-Hungary, Belgium, France, Germany, Poland, Russian Empire | Violence |
| Foreign Policy (The Netherlands) | Abbenhuis, Maartje | The Netherlands | Power |
| France | Beaupré, Nicolas | France | Home Front, Power, Pre-war, Violence |
| 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 (Austria) | Boyer, John W. | Austria | Power |
| Governments, Parliaments and Parties (Belgium) | Gerard, Emmanuel | Belgium | Power |
| Governments, Parliaments and Parties (Germany) | Oppelland, Torsten | Germany | Power |
| Governments, Parliaments and Parties (Italy) | Papadia, Elena | Italy | Power |
| Governments, Parliaments and Parties (Ottoman Empire/Middle East) | Ahmad, Feroz | Ottoman Empire | Power |
| Governments, Parliaments and Parties; Political Movements and Protostate Formation (East Central Europe) | Richter, Klaus and Szlanta, Piotr | Estonia, Latvia, Lithuania, Poland | Power |
| 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 |
| Historiography 1918-Today (Belgium) | Wouters, Nico | Belgium | Post-war |
| Historiography 1918-Today (Canada) | Shaw, Amy J. | Canada | Post-war |
| Historiography 1918-Today (Italy) | Labanca, Nicola | Italy | Post-war |
| Historiography 1918-Today: Serbia and Montenegro (South East Europe) | Krivokapic-Jovic, Gordana | Montenegro, Serbia, Yugoslavia | Post-war |
| Historiography 1918-Today (Union of South Africa) | Katz, David Brock | Union of South Africa | Post-war |
| Historiography 1918-Today (USA) | Price, James S. | USA | Post-war |
| Hong Kong | Kwong, Chi Man | Hong Kong | |
| Humanitarianism (Denmark) | Sørensen, Nils Arne | Denmark | Home Front |
| Humanitarianism (Spain) | Fuentes Codera, Maximiliano | Spain | Home Front |
| Humanitarianism (Sweden) | Sturfelt, Lina | Sweden | Home Front |
| Humanitarianism (The Netherlands) | Bergen, Leo Van | The Netherlands | Home Front |
| Indigenous Experience of War (British Dominions) | Riseman, Noah and Winegard, Timothy C. | Australia, Canada, New Zealand, Newfoundland, Union of South Africa | Violence |
| Indigenous Experiences of War (USA) | Voigt, Matthias | USA | Violence |
| Intelligence and Espionage (The Netherlands) | Klinkert, Wim | The Netherlands | Violence |
| International Committee of the Red Cross | Herrmann, Irène and Palmieri, Daniel | Switzerland | Home Front, Post-war, Power, Pre-war, Violence |
| Internees (Switzerland) | Bürgisser, Thomas | Switzerland | Violence |
| Internment (Canada) | Avery, Donald H. | Canada | Violence |
| Labour (Belgium) | Luyten, Dirk | Belgium | Home Front |
| Labour, Labour Movements and Strikes (Ottoman Empire/ Middle East) | Thompson, Elizabeth and Akin, Yiğit | Ottoman Empire | Home Front |
| Labour Movements and Strikes, Social Conflict and Control, Protest and Repression (Germany) | Weinhauer, Klaus | Germany | Home Front |
| Labour (Russian Empire) | Melancon, Michael S. | Russian Empire | Home Front |
| Literature (Africa) | Orosz, Kenneth J. | Africa | Media |
| Literature (Germany) | Hüppauf, Bernd | Germany | Media |
| Literature (India) | Das, Santanu | India | Media |
| Literature: Serbia (South East Europe) | Ilić Marković, Gordana | Serbia | Media |
| Luxembourg | Majerus, Benoît and Roemer, Charel | Luxembourg | Home Front, Post-war, Power, Violence |
| Making Sense of the War (Belgium) | De Schaepdrijver, Sophie | Belgium | Media |
| Making Sense of the War (Ottoman Empire/Middle East) | Minasidis, Charalampos | Ottoman Empire | Media |
| Media Discourse after the War | Keil, André | Austria, Belgium, France, Germany, Great Britain and Ireland | Media |
| Migration and Mobility | Schrover, Marlou | Australia, Canada, Germany, Great Britain, Russian Empire, USA | Home Front |
| Militarism | Melby, Christian K. | Germany, Great Britain and Ireland, Italy, Japan, Russian Empire | Pre-war |
| Military Developments of World War I | Zabecki, David T. | France, Germany, Great Britain | Violence |
| Military Justice | Welch, Steven R. | Australia, Austria-Hungary, Canada, France, Germany, Great Britain, Italy, New Zealand, Russian Empire | Violence |
| Military Lessons of the First World War | Gardner, Nikolas | France, Germany, Great Britain, Italy, Russian Empire, USA | Post-war, Violence |
| Music (Portugal) | Félix, Pedro | Portugal | Media |
| Nationalities (Austria-Hungary) | Stergar, Rok | Austria-Hungary | Home Front |
| Naval Blockade (of Germany) | Kramer, Alan | Germany | Home Front, Power, 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 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 and after the War (Ottoman Empire) | Criss, Nur Bilge | Ottoman Empire | Post-war, Power |
| Occupation during and after the War (Russian Empire) | Dornik, Wolfram | Russian Empire | Post-war, Power |
| Occupation during and after the War (South East Europe) | Ristović, Milan | Albania, Bulgaria, Montenegro, Romania, Serbia | 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 (Austria-Hungary) | Butschek, Felix | Austria, Hungary | Home Front |
| Organization of War Economies (Russian Empire) | Gatrell, Peter | Russian Empire | Home Front |
| Othering/Atrocity Propaganda | Bruendel, Steffen | Austria-Hungary, France, Germany, Great Britain, Russian Empire, USA | Media |
| 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 |
| Photography | Roberts, Hilary | Australia, Austria-Hungary, Belgium, Canada, France, Germany, Great Britain, New Zealand, Russian Empire, USA | Media |
| Poland | Szlanta, Piotr | Poland | Home Front, Post-war, Power, Pre-war, Violence |
| Post-war Societies (Belgium) | Kesteloot, Chantal | Belgium | 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 Military Planning | Seligmann, Matthew S. | Austria-Hungary, France, Germany, Great Britain and Ireland | Pre-war |
| Pre-war Military Planning and War Aims (Union of South Africa) | Katz, David Brock | Union of South Africa | Pre-war |
| Pre-war Military Planning (Austria-Hungary) | Kronenbitter, Günther | Austria | Pre-war |
| Pre-war Military Planning (Great Britain) | Strachan, Hew | Great Britain | Pre-war |
| Pre-war Military Planning (Ottoman Empire) | Moreau, Odile | Ottoman Empire | Pre-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 and Internees (South East Europe) | Trifunović, Bogdan | Bulgaria, Montenegro, Romania, Serbia | Violence |
| Prisoners of War and Internees (Union of South Africa) | Dedering, Tilman | Union of South Africa | 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 (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | 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 (Japan) | Otsuru, Atsushi | Japan | Violence |
| Prisoners of War (Ottoman Empire/Middle East) | Yanıkdağ, Yücel | Ottoman Empire | Violence |
| Prisoners of War (Russian Empire) | Nachtigal, Reinhard and Radauer, Lena | Russian Empire | 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 |
| Raw Materials | Chancerel, Pierre | Austria-Hungary, Brazil, Chile, China, France, Germany, Great Britain, India, Italy, Japan, Mexico, Russian Empire, USA | Home Front |
| Red Cross | Cotter, Cédric | Austria-Hungary, Denmark, France, Germany, Great Britain, Russian Empire, Sweden, Switzerland, USA | Home Front |
| 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 |
| Revolutions (East Central Europe) | Brudek, Paweł | Estonia, Finland, Latvia, Lithuania, Poland | Power |
| Romania | Heppner, Harald and Gräf, Rudolf | Romania | Home Front, Post-war, Power, Pre-war, Violence |
| Science and Technology (Austria-Hungary) | Gottsmann, Andreas | Austria-Hungary | Home Front |
| Science and Technology (Ottoman Empire/Middle East) | Williams, Elizabeth | Ottoman Empire | Home Front |
| Sepoy Letters (India) | Omissi, David | India | Home Front |
| 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 |
| Siam | Hell, Stefan | Siam | Home Front, Post-war, Power, 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 |
| Soldier Newspapers | Nelson, Robert L. | France, Germany, Great Britain | Media |
| South Africa and the German East Africa Campaign (Union of South Africa) | Samson, Anne | Union of South Africa | Violence |
| South African Invasion of German South West Africa (Union of South Africa) | Kleynhans, Evert | Southern Africa, Union of South Africa | 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 |
| Tactics, Army (Austria-Hungary) | Ortner, M. Christian | Austria-Hungary | Violence |
| The Everyday as Involved in War | Proctor, Tammy M. | Austria-Hungary, Belgium, Germany, Italy, Poland, Russian Empire, USA | Home Front |
| The Home Front (Newfoundland) | Bishop Stirling, Terry | Newfoundland | Home Front |
| The Internment of Russophiles in Austria-Hungary | Choliy, Serhiy | Austria-Hungary | Violence |
| The Military at Home | Roynette, Odile | Austria-Hungary, France, Germany, Great Britain, Russian Empire, USA | Home Front |
| The Military Collapse of the Central Powers | Tunstall, Graydon A. | Austria, Czechoslovakia, Germany, Hungary, Italy, Ottoman Empire | Violence |
| Transportation and Logistics | Brown, Ian M. | France, Germany, Great Britain, Iraq, Ottoman Empire, Persia/Iran | 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) | Tuyll, Hubert van | Belgium | Power |
| War Aims and War Aims Discussions (China) | Danner, Lukas K. | China | Power |
| War Aims and War Aims Discussions (East Central Europe) | Boysen, Jens | Lithuania, Poland | Power |
| War Aims and War Aims Discussions (France) | Tison, Stéphane | France | Power |
| War Aims and War Aims Discussions (Germany) | Löffelbein, Nils | Germany | 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 | Philpott, William | Austria-Hungary, France, Germany, Great Britain, Italy, Russian Empire, USA | Violence |
| Warfare 1914-1918 (Germany) | Pöhlmann, Markus | Germany | Violence |
| Warfare 1914-1918 (Great Britain and Ireland) | Searle, Alaric | Great Britain and Ireland | Violence |
| Warfare 1914-1918 (Newfoundland) | Baker, Melvin | Newfoundland | Violence |
| Warfare 1914-1918 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
| Warfare 1914-1918 (South East Europe) | Tasić, Dmitar | Albania, Bulgaria, Montenegro, Romania, Serbia | Violence |
| War Finance and Monetary Consequences: The German Case Revisited | Hardach, Gerd | Germany | Home Front, Post-war, Pre-war |
| War Finance (Belgium) | Luyten, Dirk | Belgium | Home Front |
| War Letters: Communication between Front and Home Front | Hanna, Martha | Australia, Austria-Hungary, Canada, France, Germany, Great Britain, New Zealand, Russian Empire | Home Front |
| War Letters (Italy) | Stiaccini, Carlo | Italy | Home Front |
| War Losses (Belgium) | Majerus, Benoît | Belgium | Violence |
| War Losses (France) | Lafon, Alexandre | France | Violence |
| War Losses (Italy) | Scolè, Pierluigi | Italy | Violence |
| War Losses (Ottoman Empire/Middle East) | Baş, Mehmet Fatih | Ottoman Empire | Violence |
| War Losses (Russian Empire) | Sumpf, Alexandre | Russian Empire | Violence |
| Wartime Emotions: Honour, Shame, and the Ecstasy of Sacrifice | Frevert, Ute | Belgium, France, Germany, Great Britain, Russian Empire | Home Front |
| Western Front | Krause, Jonathan | France, Germany, Great Britain | Violence |
| Women's Mobilization for War (Portugal) | Samara, Maria Alice | Portugal | Home Front |
| Women's Mobilization for War (South East Europe) | Mladenović, Božica | Bulgaria, Montenegro, Romania, Serbia | 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 |
