| 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 |
| 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 |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Canada) | Smith, Nathan | Canada | 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 (Armenia) | Adjemian, Boris | Armenia | Post-war |
| Centenary (Historiography) | Dülffer, Jost | Africa, China, France, Germany, Great Britain, Japan, Ottoman Empire, Poland, USA | Post-war |
| Centenary (Russia) | Nagornaja, Oxana Sergeevna | Russian Empire | Post-war |
| China | Mühlhahn, Klaus | China | Home Front, Post-war, Power, Pre-war, 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 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 |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| Foreign Policy (Spain) | Montero Jiménez, José Antonio | Spain | Power |
| Governments, Parliaments and Parties (China) | Wu, Lin-Chun | China | Power |
| Governments, Parliaments and Parties (France) | Bock, Fabienne | France | Power |
| Governments, Parliaments and Parties (Japan) | Dickinson, Frederick R. | Japan | Power |
| Governments, Parliaments and Parties (Ottoman Empire/Middle East) | Ahmad, Feroz | Ottoman Empire | Power |
| Historiography 1918-Today: Bulgaria (South East Europe) | Minkov, Stefan Marinov | Bulgaria | Post-war |
| Historiography 1918-Today (Italy) | Labanca, Nicola | Italy | Post-war |
| League of Nations | Ziegerhofer, Anita | Australia, Austria-Hungary, Belgium, Brazil, Central America and Caribbean, Ecuador, Finland, France, Germany, Great Britain and Ireland, Iraq, Italy, Japan, New Zealand, Poland, Russian Empire, Southern Africa, Switzerland, The Netherlands, USA, Union of South Africa | Post-war, Power |
| Media Discourse after the War | Keil, André | Austria, Belgium, France, Germany, Great Britain and Ireland | 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 |
| Northern Africa | DeGeorges, Thomas Patrick | Northern Africa | Home Front, Post-war, Pre-war, Violence |
| Occupation after the War (Belgium and France) | Godfroid, Anne | Belgium, France | Post-war, Power |
| Occupation during and after the War (China) | Danner, Lukas K. | China | Post-war, Power |
| Occupation during and after the War (Middle East) | Mazza, Roberto | Ottoman Empire | 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 (South East Europe) | Ristović, Milan | Albania, Bulgaria, Montenegro, Romania, Serbia | Post-war, Power |
| Othering/Atrocity Propaganda | Bruendel, Steffen | Austria-Hungary, France, Germany, Great Britain, Russian Empire, USA | Media |
| Peace Initiatives | Kennedy, Ross | Austria-Hungary, France, Germany, Great Britain, Italy, Russian Empire, USA | Power |
| Post-war Economies (East Central Europe) | Morawski, Wojciech | Estonia, Finland, Latvia, Lithuania, Poland, Ukraine | 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 | 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 (Australia) | Bongiorno, Frank | Australia | Post-war |
| Post-war Societies (Turkey) | Criss, Nur Bilge | Ottoman Empire | Post-war |
| Post-war Treaties (Ottoman Empire/ Middle East) | Smith, Leonard V. | Ottoman Empire | 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 | Jones, Heather | Austria-Hungary, Bulgaria, France, Germany, Great Britain, Italy, Ottoman Empire, Russian Empire, Serbia | Violence |
| Prisoners of War (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | Violence |
| Propaganda (China) | Steen, Andreas | China | Media |
| Property Rights and Economic Nationalism | Caglioti, Daniela L. | Armenia, Austria-Hungary, France, Germany, Great Britain, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| Revolutions | Fulwider, Chad R. | Austria-Hungary, Bulgaria, France, Germany, Greece, Italy, Ottoman Empire, Russian Empire | 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 |
| Russian Empire | Sanborn, Joshua A. | Russian Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Science and Technology (Ottoman Empire/Middle East) | Williams, Elizabeth | Ottoman Empire | Home Front |
| Shifts and Tensions in Ethnic/National Groups | Chernev, Borislav | Austria-Hungary, Ottoman Empire, Russian Empire | Violence |
| The Military Collapse of the Central Powers | Tunstall, Graydon A. | Austria, Czechoslovakia, Germany, Hungary, Italy, Ottoman Empire | Violence |
| The Paris Peace Conference and its Consequences | Sharp, Alan | Austria-Hungary, Belgium, Bulgaria, China, Egypt, Estonia, France, Germany, Great Britain, Greece, India, Iraq, Ireland, Italy, Japan, Latvia, Lebanon, Lithuania, Montenegro, Ottoman Empire, Palestine, Poland, Romania, Russian Empire, Serbia, Syria, USA, Yugoslavia | Post-war |
| United States of America | Keene, Jennifer D. | USA | Home Front, Media, Post-war, Power, Violence |
| War Aims and Peace Discussions (USA) | Cooper, John Milton | USA | Power |
| 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 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 (Germany) | Löffelbein, Nils | Germany | Power |
| War Aims and War Aims Discussions (Japan) | Gates, Rustin | Japan | Power |
| Warfare 1914-1918 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
