| African American Soldiers (USA) | McDaniels III, Pellom | USA | Violence |
| African Labour in Europe (Africa) | Fogarty, Richard | East and Central Africa, Egypt, France, Northern Africa, Union of South Africa, West Africa | Home Front, Power |
| Afrikaner (Boer) Rebellion (Union of South Africa) | Wessels, André | Union of South Africa | Violence |
| Air Warfare (Italy) | Caffarena, Fabio | Italy | Violence |
| Anzac (Australia) | Seal, Graham | Australia | Violence |
| 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 |
| Bereavement and Mourning (Africa) | Owino, Meshack | East and Central Africa, Southern Africa, West Africa | Home Front |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War | Loez, André | Austria-Hungary, Canada, France, Germany, Great Britain, Ireland, Italy, Russian Empire, USA | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Africa) | Koller, Christian | Africa | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Australia) | Stanley, Peter | Australia | 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 (Great Britain and Ireland) | Meyer, Jessica | Great Britain and Ireland | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Indochina) | Vu-Hill, Kimloan | Indochina | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (New Zealand) | Phillips, Jock | New Zealand | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (Russian Empire) | Astashov, Aleksandr Borisovich | Russian Empire | Violence |
| Between Acceptance and Refusal - Soldiers' Attitudes Towards War (USA) | Gutiérrez, Edward A. | USA | Violence |
| Burma | Charney, Michael W. | Burma | Home Front, Power, Violence |
| Canada | Granatstein, J. L. | Canada | Home Front, Post-war, Pre-war, Violence |
| Centenary (Computer Games) | Kempshall, Chris | Belgium, France, Great Britain, Italy, Ottoman Empire, USA | Media, Post-war |
| Centenary (Historiography) | Dülffer, Jost | Africa, China, France, Germany, Great Britain, Japan, Ottoman Empire, Poland, USA | Post-war |
| Centenary (New Zealand) | Phillips, Jock and Baird, Kingsley | New Zealand | Post-war |
| Centenary (Russia) | Nagornaja, Oxana Sergeevna | Russian Empire | Post-war |
| Centenary (Thailand) | Ruangsilp, Bhawan and Buadaeng, Din | Siam | Post-war |
| Children and Youth: Ottoman Empire (Ottoman Empire/Middle East) | Maksudyan, Nazan | Ottoman Empire | Home Front |
| 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 |
| 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 Military Participation in Europe (Africa) | Koller, Christian | East and Central Africa, Northern Africa, West Africa | Violence |
| Colonial State Power and Politics (Africa) | Pesek, Michael | Africa | Power |
| Colonies (Italy) | Berhe, Simona | Italy | Power |
| Commemoration, Cult of the Fallen (Africa) | Chetty, Suryakanthie and Ginio, Ruth | East and Central Africa, Southern Africa, Union of South Africa, West Africa | Post-war |
| Commemoration, Cult of the Fallen (Great Britain and Ireland) | Foster, Ann-Marie | Great Britain, Ireland | Post-war |
| Commemoration, Cult of the Fallen (India) | Chhina, Rana and Chhina, Adil | India | Post-war |
| Commemoration, Cult of the Fallen (Indochina) | Jennings, Eric Thomas | Indochina | Post-war |
| Commemoration, Cult of the Fallen (Union of South Africa) | de Vries, Jacques Jean Pierre | Union of South Africa | Post-war |
| Conscription (Australia) | Beaumont, Joan | Australia | Violence |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| Dominions’ Military Relationship to Great Britain 1902-1914 (British Dominions) | Marti, Steve | Australia, Canada, Great Britain, New Zealand, Newfoundland, Union of South Africa | Power, Pre-war, Violence |
| Drugs | Kamieński, Łukasz | Austria-Hungary, Canada, France, Germany, Great Britain, Ottoman Empire, Russian Empire, USA | Violence |
| East and Central Africa | Samson, Anne | East and Central Africa | Power, Violence |
| Easter Rising (Great Britain and Ireland) | McGarry, Fearghal | Great Britain, Ireland | Power |
| Economies and Home Front (Union of South Africa) | Nasson, Bill | Union of South Africa | Home Front |
| 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 |
| Fascism and the Radical Right | Corni, Gustavo | Germany, Italy | Post-war |
| Food and Nutrition (Africa) | Samson, Anne and Page, Melvin E. | East and Central Africa, Northern Africa, Southern Africa, West Africa | Home Front |
| Food and Nutrition (Australia) | Smart, Judith | Australia | Home Front |
| Food and Nutrition (Indochina) | Peters, Erica J. | Indochina | Home Front |
| Governments, Parliaments and Parties (Canada) | MacKenzie, David | Canada | Power |
| Great Britain | Badsey, Stephen | Great Britain | Home Front, Media, Post-war, Power, Violence |
| Health and Medicine (India) | Sehrawat, Samiksha | India | Home Front |
| Historiography 1918-Today (Africa) | Koller, Christian | Africa | Post-war |
| Historiography 1918-Today (India) | Stadtler, Florian | India | Post-war |
| Historiography 1918-Today (Italy) | Labanca, Nicola | Italy | 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 Experience of War (British Dominions) | Riseman, Noah and Winegard, Timothy C. | Australia, Canada, New Zealand, Newfoundland, Union of South Africa | Violence |
| Indigenous Experiences of War (USA) | Voigt, Matthias | USA | Violence |
| Ireland | Grayson, Richard S. | Ireland | Home Front, Post-war, Power, Pre-war, Violence |
| Italian Front | Wilcox, Vanda | Italy | Violence |
| Literature (Africa) | Orosz, Kenneth J. | Africa | Media |
| Literature (India) | Das, Santanu | India | Media |
| Making Sense of the War (Africa) | Pesek, Michael | Africa | Media |
| Making Sense of the War (Australia) | Ziino, Bart | Australia | Media |
| Making Sense of the War (India) | Markovits, Claude | India | Media |
| Making Sense of the War (Italy) | Lunzer, Renate | Italy | Media |
| Making Sense of the War (New Zealand) | Ross, Kirstie | New Zealand | Media |
| Making Sense of the War (Ottoman Empire/Middle East) | Minasidis, Charalampos | Ottoman Empire | Media |
| Migration and Mobility | Schrover, Marlou | Australia, Canada, Germany, Great Britain, Russian Empire, USA | Home Front |
| Military and Strategy (Spain) | Alcalde, Ángel | Spain | Power |
| Military and Strategy (Sweden) | Åselius, Gunnar | Sweden | Violence |
| Military Developments of World War I | Zabecki, David T. | France, Germany, Great Britain | Violence |
| Military Lessons of the First World War | Gardner, Nikolas | France, Germany, Great Britain, Italy, Russian Empire, USA | Post-war, Violence |
| Minorities (Ottoman Empire/Middle East) | Kieser, Hans-Lukas | Ottoman Empire | Home Front, Pre-war, Violence |
| Nationalities (Austria-Hungary) | Stergar, Rok | Austria-Hungary | 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 |
| 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 |
| 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 |
| On the Road to Modern War | Showalter, Dennis | France, Germany, Great Britain, Italy, Japan, Russian Empire, USA | Violence |
| Organization of War Economies (Africa) | Pallaver, Karin | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Home Front |
| Paramilitary Violence | Sammartino, Annemarie | Bulgaria, Germany, Hungary, Serbia, Ukraine, Yugoslavia | Violence |
| Poland | Szlanta, Piotr | Poland | Home Front, Post-war, Power, Pre-war, Violence |
| Post-war Societies (Africa) | Nkwi, Walter Gam | East and Central Africa, West Africa | Post-war |
| Post-war Societies (Australia) | Bongiorno, Frank | Australia | Post-war |
| Post-war Societies (East Central Europe) | Górny, Maciej | Belarus, Czechoslovakia, Estonia, Hungary, Latvia, Lithuania, Poland, Ukraine | Post-war |
| Post-war Societies (Germany) | Schumann, Dirk | Germany | Post-war |
| Post-war Societies (India) | Sarkar, Sumit | India | Post-war |
| Post-war Turmoil and Violence (Hungary) | Révész, Tamás | Hungary | Post-war |
| Post-war Turmoil and Violence (Yugoslavia) | Bozanich, Stevan | Yugoslavia | Post-war |
| Pre-war Military Planning | Seligmann, Matthew S. | Austria-Hungary, France, Germany, Great Britain and Ireland | Pre-war |
| Pre-war Military Planning (Africa) | Stapleton, Timothy J. | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Pre-war |
| Pre-war Military Planning and War Aims (Union of South Africa) | Katz, David Brock | Union of South Africa | Pre-war |
| Pre-war Military Planning (Australia) | Wilcox, Craig | Australia | Pre-war |
| Pre-war Military Planning (Austria-Hungary) | Kronenbitter, Günther | Austria | Pre-war |
| Pre-war Military Planning (France) | Cosson, Olivier | France | Pre-war |
| Pre-war Military Planning (Great Britain) | Strachan, Hew | Great Britain | Pre-war |
| Pre-war Military Planning (Ottoman Empire) | Moreau, Odile | Ottoman Empire | Pre-war |
| Pre-war Paramilitary Mobilisation (Great Britain and Ireland) | Stover, Justin Dolan | Great Britain, Ireland | Pre-war |
| Propaganda at Home (Australia) | Robertson, Emily | Australia | Media |
| Propaganda in the Colonies (Africa) | Orosz, Kenneth J. | Africa | Media |
| Recruitment and Conscription (Canada) | Sharpe, Christopher | Canada | Violence |
| Resistance and Rebellions (Africa) | Moyd, Michelle | Africa | Power |
| Responses to the War (India) | Das, Santanu | India | Home Front |
| Revolutions | Fulwider, Chad R. | Austria-Hungary, Bulgaria, France, Germany, Greece, Italy, Ottoman Empire, Russian Empire | Power |
| Russian Civil War | Sumpf, Alexandre | Russian Empire | Post-war |
| Science and Technology | Johnson, Jeffrey | France, Germany, Great Britain, USA | Home Front |
| Science and Technology (Australia) | Endacott, Eric | Australia | Home Front |
| Science and Technology (Austria-Hungary) | Gottsmann, Andreas | Austria-Hungary | Home Front |
| Science and Technology (Canada) | Iarocci, Andrew | Canada | Home Front |
| Science and Technology (Portugal) | Assis, José Luís | Portugal | Home Front |
| Sepoy Letters (India) | Omissi, David | India | Home Front |
| Siam | Hell, Stefan | Siam | Home Front, Post-war, Power, Violence |
| Social Conflict and Control, Protest and Repression (Indochina) | Morlat, Patrice | Indochina | 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 |
| South Africa and the German East Africa Campaign (Union of South Africa) | Samson, Anne | Union of South Africa | Violence |
| South African Invasion of German South West Africa (Union of South Africa) | Kleynhans, Evert | Southern Africa, Union of South Africa | Violence |
| South African Troops in Europe and the Middle East (Union of South Africa) | Delport, Anri | Union of South Africa | Violence |
| Southern Africa | Storey Kelleher, William | Southern Africa | Home Front, Power, Pre-war, Violence |
| Tactics, Army (Austria-Hungary) | Ortner, M. Christian | Austria-Hungary | Violence |
| Teskilat-i Mahsusa (Ottoman Empire) | Moreau, Odile | Ottoman Empire | Power |
| The Home Front (Newfoundland) | Bishop Stirling, Terry | Newfoundland | Home Front |
| The Military at Home | Roynette, Odile | Austria-Hungary, France, Germany, Great Britain, Russian Empire, USA | 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 |
| Warfare 1914-1918 | Philpott, William | Austria-Hungary, France, Germany, Great Britain, Italy, Russian Empire, USA | Violence |
| Warfare 1914-1918 (Australia) | Westerman, William | Australia | Violence |
| Warfare 1914-1918 (Canada) | Oliver, Dean F. | Canada | Violence |
| Warfare 1914-1918 (East Central Europe) | Szlanta, Piotr and Richter, Klaus | Estonia, Finland, Latvia, Lithuania, Poland | Violence |
| Warfare 1914-1918 (Germany) | Pöhlmann, Markus | Germany | Violence |
| Warfare 1914-1918 (Great Britain and Ireland) | Searle, Alaric | Great Britain and Ireland | Violence |
| Warfare 1914-1918 (Italy) | Cappellano, Filippo | Italy | Violence |
| Warfare 1914-1918 (Japan) | Melzer, Jürgen | Japan | Violence |
| Warfare 1914-1918 (Newfoundland) | Baker, Melvin | Newfoundland | Violence |
| Warfare 1914-1918 (New Zealand) | Fox, Aaron Patrick | New Zealand | Violence |
| Warfare 1914-1918 (Ottoman Empire/Middle East) | Baş, Mehmet Fatih | Egypt, Iraq, Lebanon, Ottoman Empire, Palestine, Syria | Violence |
| Warfare 1914-1918 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
| Warfare 1914-1918 (South East Europe) | Tasić, Dmitar | Albania, Bulgaria, Montenegro, Romania, Serbia | Violence |
| War Losses | Prost, Antoine | Austria-Hungary, France, Germany, Great Britain, Ottoman Empire, Poland, Romania, Russian Empire, Serbia, USA | Violence |
| War Losses (Africa) | Lunn, Joe Harris | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Violence |
| War Losses (Canada) | Cook, Tim and Stewart, William | Canada | Violence |
| War Losses (Germany) | Whalen, Robert Weldon | Germany | Violence |
| War Losses (Italy) | Scolè, Pierluigi | Italy | Violence |
| War Losses (Portugal) | Tavares, João Moreira | Portugal | Violence |
| War Losses (USA) | Byerly, Carol R. | USA | Violence |
| Weapons | Audoin-Rouzeau, Stéphane | France, Germany, Great Britain | Violence |
| West Africa | Njung, George N. | West Africa | Power, Pre-war, Violence |
| Western Front | Krause, Jonathan | France, Germany, Great Britain | Violence |
| 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 Mobilisation for War (Australia) | Frances, Rae | Australia | Home Front |
| Women's Mobilization for War (South East Europe) | Mladenović, Božica | Bulgaria, Montenegro, Romania, Serbia | Home Front |
