| 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 |
| Civil-Military Relations during World War I (Russian Empire) | Porshneva, Olga | Russian Empire | Power, Violence |
| Commemoration, Cult of the Fallen (East Central Europe) | Jalonen, Jussi, Richter, Klaus and Szlanta, Piotr | Estonia, Finland, Latvia, Lithuania, Poland | Post-war |
| Commemoration, Cult of the Fallen (Russian Empire) | Cohen, Aaron | Russian Empire | Post-war |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| Domestic Politics and Neutrality (Sweden) | Hedén, Anne | Sweden | Power |
| Eastern Front | Dowling, Timothy C. | Russian Empire | Violence |
| Easter Rising (Great Britain and Ireland) | McGarry, Fearghal | Great Britain, Ireland | Power |
| Ethnic Minorities at War (USA) | Laskin, David | USA | Violence |
| Food and Nutrition (Russian Empire) | Golubinov, Iaroslav | Russian Empire | Home Front |
| Governments, Parliaments and Parties; Political Movements and Protostate Formation (East Central Europe) | Richter, Klaus and Szlanta, Piotr | Estonia, Latvia, Lithuania, Poland | Power |
| Humanitarianism (Denmark) | Sørensen, Nils Arne | Denmark | Home Front |
| Humanitarianism (Norway) | Mageli, Eldrid | Norway | Home Front |
| Humanitarianism (Sweden) | Sturfelt, Lina | Sweden | Home Front |
| International Responses to the Russian Civil War (Russian Empire) | Mawdsley, Evan | Russian Empire | Post-war, Power, Violence |
| 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 (Germany) | Weinhauer, Klaus | Germany | Home Front |
| Military and Strategy (Sweden) | Åselius, Gunnar | Sweden | Violence |
| Occupation during and after the War (Russian Empire) | Dornik, Wolfram | Russian Empire | Post-war, Power |
| On the Road to Modern War | Showalter, Dennis | France, Germany, Great Britain, Italy, Japan, Russian Empire, USA | Violence |
| Post-war Conflict (Great Britain and Ireland) | Leeson, D. M. | Great Britain, Ireland | Post-war |
| Post-war Economies (Russian Empire) | Heywood, Anthony | Russian Empire | Post-war |
| Post-war Military Action and Violence (East Central Europe) | Böhler, Jochen | Austria, Belarus, Estonia, Germany, Hungary, Lithuania, Poland, Ukraine | Post-war, Violence |
| 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 (East Central Europe) | Górny, Maciej | Belarus, Czechoslovakia, Estonia, Hungary, Latvia, Lithuania, Poland, Ukraine | Post-war |
| Press/Journalism (Russian Empire) | Zhdanova, Irina | Russian Empire | Media |
| Prisoners of War (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland, Russian Empire | Violence |
| Prisoners of War (Russian Empire) | Nachtigal, Reinhard and Radauer, Lena | Russian Empire | Violence |
| Refugees | Gatrell, Peter | Austria-Hungary, Belgium, Bulgaria, France, Germany, Great Britain, Greece, Italy, Latvia, Lithuania, Ottoman Empire, Poland, Russian Empire, Serbia, The Netherlands | Violence |
| 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, Russian Empire | Power |
| Russian Civil War | Sumpf, Alexandre | Russian Empire | Post-war |
| Russian Empire | Sanborn, Joshua A. | Russian Empire | Home Front, Post-war, Power, Pre-war, 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 |
| 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 |
| Warfare 1914-1918 (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | Violence |
| Warfare 1914-1918 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
| War Losses (Russian Empire) | Sumpf, Alexandre | Russian Empire | Violence |
