| 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 |
| 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 |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Africa) | Koller, Christian | Africa | 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 |
| Centenary (Belarus) | Zamoiski, Andrei | Belarus | Post-war |
| Centenary (China) | Zhang, Yan and Ming-Tak Leung, Ernest | China | Post-war |
| Centenary (Germany) | Pöhlmann, Markus | Germany | Post-war |
| Centenary (Libraries) | Shaw, Matthew | Australia, Austria, Belgium, Canada, France, Germany, Great Britain, USA | Media, 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 |
| 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 |
| Espionage | Debruyne, Emmanuel | Austria-Hungary, Belgium, France, Germany, Great Britain, Ireland, Italy, Russian Empire, Serbia, The Netherlands, USA | Violence |
| Film/Cinema (East Central Europe) | Pryt, Karina | Poland | Media |
| Film/Cinema (Ottoman Empire) | Çeliktemel-Thomen, Özde | Ottoman Empire | Media |
| Food and Nutrition | Cronier, Emmanuelle | Austria-Hungary, Belgium, France, Germany, Great Britain, Italy, Ottoman Empire, USA | Home Front, Violence |
| Food and Nutrition (East Central Europe) | Griffante, Andrea | Belarus, Latvia, Lithuania, Poland | Home Front |
| 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 (Belgium) | Gerard, Emmanuel | Belgium | Power |
| Governments, Parliaments and Parties; Political Movements and Protostate Formation (East Central Europe) | Richter, Klaus and Szlanta, Piotr | Estonia, Latvia, Lithuania, Poland | Power |
| Historiography 1918-Today (Belgium) | Wouters, Nico | Belgium | Post-war |
| Historiography 1918-Today (Italy) | Labanca, Nicola | Italy | Post-war |
| 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 |
| Literature (Germany) | Hüppauf, Bernd | Germany | 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 |
| 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 (Austria-Hungary) | Dornik, Wolfram | Albania, Austria, Italy, Montenegro, Poland, Romania, Serbia, Ukraine | 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 (Italy) | Ermacora, Matteo | Italy | 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 (Belgium) | Luyten, Dirk | Belgium | Home Front |
| Othering/Atrocity Propaganda | Bruendel, Steffen | Austria-Hungary, France, Germany, Great Britain, Russian Empire, USA | Media |
| 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 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 |
| Prisoners of War and Internees (South East Europe) | Trifunović, Bogdan | Bulgaria, Montenegro, Romania, Serbia | Violence |
| Prisoners of War (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | 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 (Belgium) | Rochet, Bénédicte | Belgium | 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 |
| 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 |
| Soldier Newspapers | Nelson, Robert L. | France, Germany, Great Britain | Media |
| South African Invasion of German South West Africa (Union of South Africa) | Kleynhans, Evert | Southern Africa, Union of South Africa | 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 (Belgium) | van Tuyll, Hubert | 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 (Japan) | Gates, Rustin | Japan | Power |
| Warfare 1914-1918 (Germany) | Pöhlmann, Markus | Germany | 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 Losses (Belgium) | Majerus, Benoît | Belgium | Violence |
| 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 |
