| Armenian Genocide | Suny, Ronald Grigor | Armenia, Ottoman Empire | Violence |
| Australia | Beaumont, Joan | Australia | Home Front, Post-war, Power, Pre-war, Violence |
| Austria-Hungary | Judson, Pieter M. | Austria, Hungary | Home Front, Media, Post-war, Power, Pre-war, 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 (Italy) | Bracco, Barbara | Italy | Post-war |
| Centenary (Thailand) | Ruangsilp, Bhawan and Buadaeng, Din | Siam | Post-war |
| Centenary (USA) | Wilson, Ross | USA | Post-war |
| China | Mühlhahn, Klaus | China | Home Front, Post-war, Power, Pre-war, Violence |
| Civilian and Military Power | Sondhaus, Lawrence | Austria, France, Germany, Great Britain, Hungary, Italy, Russian Empire, USA | Power |
| Civilian and Military Power (China) | Wu, Lin-Chun | China | 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 (Newfoundland) | Baker, Melvin | Newfoundland | Home Front |
| 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 (Russian Empire) | Porshneva, Olga | Russian Empire | Power, Violence |
| Commemoration, Cult of the Fallen (Union of South Africa) | de Vries, Jacques Jean Pierre | Union of South Africa | Post-war |
| Diplomacy (Portugal) | Oliveira, Pedro Aires | Portugal | Power |
| Film/Cinema (Ottoman Empire) | Çeliktemel-Thomen, Özde | Ottoman Empire | Media |
| Film/Cinema (USA) | DeBauche, Leslie Midkiff | USA | Media |
| France | Beaupré, Nicolas | France | Home Front, Power, Pre-war, Violence |
| German versus US Intelligence in Latin America | Bisher, Jamie | Brazil, Chile, Mexico | Media, Power |
| 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 (China) | Wu, Lin-Chun | China | Power |
| Governments, Parliaments and Parties (Germany) | Oppelland, Torsten | Germany | Power |
| Governments, Parliaments and Parties (Great Britain and Ireland) | Johnson, Matthew | Great Britain, Ireland | Power |
| Governments-Parliaments and Parties (Hungary) | Joó, András | Hungary | 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 (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Power |
| Governments, Parliaments and Parties (USA) | Kennedy, Ross | USA | Power |
| Greece | Hassiotis, Loukianos | Greece | Media, Power, Pre-war, Violence |
| Greece | Hassiotis, Loukianos | Greece | Media, Power, Pre-war, Violence |
| Historiography 1918-Today (France) | Tison, Stéphane | France | Post-war |
| Historiography 1918-Today (Italy) | Labanca, Nicola | Italy | Post-war |
| Historiography 1918-Today (Portugal) | Pires, Ana Paula and Meneses, Filipe Ribeiro de | Portugal | 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 | |
| Indigenous Experiences of War (USA) | Voigt, Matthias | USA | Violence |
| Italian Front | Wilcox, Vanda | Italy | Violence |
| July Crisis 1914 | Mombauer, Annika | Austria-Hungary, France, Germany, Great Britain, Russian Empire, Serbia | Pre-war |
| Labour Movements, Trade Unions and Strikes (Canada) | St. Croix, Brad | Canada | Home Front |
| Labour Movements, Trade Unions and Strikes (USA) | Taillon, Paul Michel | USA | Home Front |
| Labour (Portugal) | Azevedo, Ana Carina Gerardo da Silva | Portugal | Home Front |
| Latin America | Rinke, Stefan and Kriegesmann, Karina | Argentina, Brazil, Chile, Mexico, Panama, Peru | Home Front, Media, Power, Pre-war, Violence |
| Literature (Ottoman Empire) | Adak, Hülya | Ottoman Empire | Media |
| Making Sense of the War (Australia) | Ziino, Bart | Australia | Media |
| Making Sense of the War (China) | He, Yan | China | Media |
| Making Sense of the War (Great Britain and Ireland) | Pennell, Catriona | Great Britain, Ireland | Media |
| Making Sense of the War (Italy) | Lunzer, Renate | Italy | Media |
| Making Sense of the War (Latin America) | Goebel, Michael and Tato, María Inés | Argentina, Brazil, Colombia, Mexico, Nicaragua, Peru | Media |
| Making Sense of the War (Ottoman Empire/Middle East) | Minasidis, Charalampos | Ottoman Empire | Media |
| Making Sense of the War (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Media |
| Making Sense of the War (USA) | Little, Branden | USA | Media |
| Montenegro | Raspopović, Radoslav | Montenegro | Post-war, Power, Pre-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 |
| Newfoundland | Hiller, James K. and O'Brien, Mike | Newfoundland | Home Front, Power, Violence |
| New Zealand | Hunter, Kate | New Zealand | Home Front, Post-war, Power, Violence |
| Occupation during and after the War (China) | Danner, Lukas K. | China | Post-war, Power |
| Organization of War Economies (USA) | Cornelius Smith, Erika | USA | Home Front |
| Ottoman Empire/Middle East | Yanıkdağ, Yücel | Ottoman Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Portugal | Rollo, Maria Fernanda, Pires, Ana Paula and Meneses, Filipe Ribeiro de | Portugal | Home Front, Power, Pre-war, Violence |
| Post-war Economies (Great Britain and Ireland) | Godden, Christopher | Great Britain and Ireland | Post-war |
| Press/Journalism (Italy) | Forno, Mauro | Italy | Media |
| Press/Journalism (Ottoman Empire) | Enacar, Ekin | Ottoman Empire | Media |
| Pre-war Military Planning | Seligmann, Matthew S. | Austria-Hungary, France, Germany, Great Britain and Ireland | Pre-war |
| Pre-war Military Planning (Germany) | Stein, Oliver | Germany | Pre-war |
| Pre-war Military Planning (South East Europe) | Tasić, Dmitar | Bulgaria, Greece, Montenegro, Romania, Serbia | Pre-war |
| Pre-war Societies (Ottoman Empire/Middle East) | Dannies, Kate | Ottoman Empire | Pre-war |
| Propaganda at Home (Ottoman Empire) | Dölek-Sever, Deniz | Ottoman Empire | Media |
| Propaganda at Home (Portugal) | Novais, Noémia Malva | Portugal | Media |
| Propaganda (China) | Steen, Andreas | China | Media |
| Recruitment and Conscription (Canada) | Sharpe, Christopher | Canada | Violence |
| Resistance and Rebellions (Africa) | Moyd, Michelle | Africa | 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 (USA) | Heller, Charles E. | USA | Home Front |
| Serbia | Bjelajac, Mile | Serbia | Home Front, Post-war, Power, Pre-war, Violence |
| Siam | Hell, Stefan | Siam | Home Front, Post-war, Power, Violence |
| South African Troops in Europe and the Middle East (Union of South Africa) | Delport, Anri | Union of South Africa | Violence |
| The Historiography of the Origins of the First World War | Mulligan, William | Austria-Hungary, France, Germany, Great Britain, Russian Empire | Post-war, Pre-war |
| The Way to War | Williamson, Jr., Samuel R. | Austria-Hungary, France, Germany, Great Britain, Ireland, Italy, Japan, Northern Africa, Russian Empire, Serbia | Pre-war |
| Union of South Africa | Stapleton, Timothy J. | Union of South Africa | Home Front, Post-war, Power, Pre-war, Violence |
| United States of America | Keene, Jennifer D. | USA | Home Front, Media, Post-war, Power, Violence |
| Urban Societies and Cities | Lees, Andrew | Austria-Hungary, France, Germany, Great Britain, Ottoman Empire, Russian Empire | Home Front |
| War Aims and Peace Discussions (USA) | Cooper, John Milton | 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 (Australia) | Beaumont, Joan | Australia | Power |
| War Aims and War Aims Discussions (Austria-Hungary) | Williamson, Jr., Samuel R. | Austria, Hungary | Power |
| War Aims and War Aims Discussions (China) | Danner, Lukas K. | China | Power |
| War Aims and War Aims Discussions (Great Britain and Ireland) | Millman, Brock | Great Britain and Ireland | Power |
| War Aims and War Aims Discussions (Italy) | Baravelli, Andrea | Italy | Power |
| War Aims and War Aims Discussions (Japan) | Gates, Rustin | Japan | Power |
| War Aims and War Aims Discussions (Ottoman Empire) | Yasamee, Feroze | Ottoman Empire | Power |
| War Aims and War Aims Discussions (Portugal) | Meneses, Filipe Ribeiro de | Portugal | Power |
| War Aims and War Aims Discussions (Russian Empire) | Schimmelpenninck van der Oye, David | Russian Empire | Power |
| War Aims and War Aims Discussions (South East Europe) | Bjelajac, Mile | Albania, Bulgaria, Greece, Montenegro, Romania, Serbia, Yugoslavia | Power |
| Warfare 1914-1918 (Belgium) | Simoens, Tom | Belgium | Violence |
| Warfare 1914-1918 (Canada) | Oliver, Dean F. | Canada | Violence |
| Warfare 1914-1918 (Japan) | Melzer, Jürgen | Japan | Violence |
| Warfare 1914-1918 (Ottoman Empire/Middle East) | Baş, Mehmet Fatih | Egypt, Iraq, Lebanon, Ottoman Empire, Palestine, Syria | Violence |
| Warfare 1914-1918 (South East Europe) | Tasić, Dmitar | Albania, Bulgaria, Montenegro, Romania, Serbia | Violence |
| Warfare 1917-1918 (USA) | Grotelueschen, Mark E. | USA | Violence |
| War Finance | Mulder, Nicholas | Austria-Hungary, France, Germany, Great Britain, Italy, Russian Empire, USA | Home Front |
| War Finance (Italy) | Degli Esposti, Fabio | Italy | Home Front |
| War Finance (Ottoman Empire) | Ozavci, Ozan | Ottoman Empire | Home Front |
| War in the Balkans | Hall, Richard C. | Albania, Bulgaria, Greece, Montenegro, Ottoman Empire, Romania, Serbia | Violence |
| Wartime and Post-war Economies (Japan) | Schiltz, Michael | Japan | Home Front, Post-war |
| Willingly to War. Public Response to the Outbreak of War | Becker, Jean-Jacques | Australia, Austria-Hungary, Belgium, Brazil, Bulgaria, Canada, China, France, Germany, Great Britain, Greece, Ireland, Italy, Japan, New Zealand, Newfoundland, Portugal, Romania, Russian Empire, Serbia, Switzerland, USA, Union of South Africa | Power |
| Women's Mobilization for War (Italy) | Bartoloni, Stefania | Italy | Home Front |
