| Albania | Blumi, Isa | Albania | Home Front, Post-war, Power, Pre-war, 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 |
| 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 |
| Bulgaria | Hall, Richard C. | Bulgaria | Home Front, Post-war, Power, Pre-war, Violence |
| Centenary (Hungary) | Ferwagner, Peter | Hungary | Post-war |
| Centenary (Israel/Palestine) | Mazza, Roberto | Middle East | Post-war |
| Centenary (Romania) | Țurcanu, Florin | Romania | Post-war |
| China | Mühlhahn, Klaus | China | Home Front, Post-war, Power, Pre-war, Violence |
| Civilian and Military Power (China) | Wu, Lin-Chun | China | Power |
| Colonial Warfare and Occupation (Africa) | Digre, Brian | East and Central Africa, Southern Africa, Union of South Africa, West Africa | Post-war, Power |
| Crumbling of Empires and Emerging States: Czechoslovakia and Yugoslavia as (Multi)national Countries | Boeckh, Katrin | Czechoslovakia, Yugoslavia | Power |
| Domestic Politics and Neutrality (Denmark) | Christiansen, Niels Finn | Denmark | Power |
| Eastern Front | Dowling, Timothy C. | Russian Empire | Violence |
| 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 |
| 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 |
| Historiography 1918-Today: Bulgaria (South East Europe) | Minkov, Stefan Marinov | Bulgaria | Post-war |
| Historiography 1918-Today (Italy) | Labanca, Nicola | Italy | Post-war |
| Historiography 1918-Today (Middle East/Arab Lands) | Smith, Charles D. | Ottoman Empire | Post-war |
| Indochina | Thi Liên Trân, Claire | Indochina | |
| Ireland | Grayson, Richard S. | Ireland | Home Front, Post-war, Power, Pre-war, Violence |
| Italian Front | Wilcox, Vanda | Italy | Violence |
| Labour Movements and Strikes (East Central Europe) | Brudek, Paweł | Estonia, Finland, Latvia, Lithuania, Poland | Home Front |
| 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 |
| Making Sense of the War (Italy) | Lunzer, Renate | Italy | Media |
| Migration and Mobility | Schrover, Marlou | Australia, Canada, Germany, Great Britain, Russian Empire, USA | Home Front |
| Minorities in Germany (Denmark) | Schultz Hansen, Hans | Denmark | Home Front |
| 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 (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 (South East Europe) | Ristović, Milan | Albania, Bulgaria, Montenegro, Romania, Serbia | Post-war, Power |
| Paramilitary Violence | Sammartino, Annemarie | Bulgaria, Germany, Hungary, Serbia, Ukraine, Yugoslavia | 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 |
| Polish War Myths (East Central Europe) | Brudek, Paweł | Poland | Media, Post-war |
| Post-war Conflict (Great Britain and Ireland) | Leeson, D. M. | Great Britain, Ireland | Post-war |
| Post-war Economies (Austria-Hungary) | Iber, Walter M. | Austria | Post-war |
| Post-war Economies (Middle East) | Schewe, Eric | Middle East | 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 (Czechoslovakia) | Konrád, Ota | Czechoslovakia | Post-war |
| Post-war Societies (Middle East) | Schayegh, Cyrus | Egypt, Iraq, Lebanon, Persia/Iran, Syria | 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 (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 |
| Refugees | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Great Britain, Greece, Italy, Latvia, Lithuania, Ottoman Empire, Poland, Russian Empire, Serbia, The Netherlands | Violence |
| Resettlement | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Greece, Italy, Latvia, Lithuania, Poland, Romania, Russian Empire, Serbia | 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 (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 |
| 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 |
| Social Conflict and Control, Protest and Repression (Austria-Hungary) | Healy, Maureen, Bronson, Dana and Jemal, Musa | Austria, Czechoslovakia, Hungary | 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 |
| The Military Collapse of the Central Powers | Tunstall, Graydon A. | Austria, Czechoslovakia, Germany, Hungary, Italy, Ottoman Empire | Violence |
| Union of South Africa | Stapleton, Timothy J. | Union of South Africa | Home Front, Post-war, Power, Pre-war, Violence |
| 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 (Africa) | Digre, Brian | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Power |
| War Aims and War Aims Discussions (Belgium) | van Tuyll, Hubert | Belgium | 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 (South East Europe) | Bjelajac, Mile | Albania, Bulgaria, Greece, Montenegro, Romania, Serbia, Yugoslavia | Power |
| War in the Balkans | Hall, Richard C. | Albania, Bulgaria, Greece, Montenegro, Ottoman Empire, Romania, Serbia | Violence |
| War Losses and Reparations (China) | Tang, Chi-hua | China | Violence |
| War Memory, Commemoration (Ottoman Empire/ Middle East) | Anderson, Kyle J. | Armenia, Egypt, Iraq, Lebanon, Ottoman Empire, Palestine, Syria | Post-war |
| Yugoslavia | Trgovčević, Ljubinka | Yugoslavia | Post-war, Power, Pre-war, Violence |
