| African Labour in Europe (Africa) | Fogarty, Richard | East and Central Africa, Egypt, Northern Africa, Union of South Africa, West Africa | Home Front, Power |
| 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 |
| Demobilization | Barry, Gearóid | Austria-Hungary, France, Germany, Great Britain, India, Ireland, Italy, Northern Africa, Poland, Russian Empire, USA | Post-war |
| East and Central Africa | Samson, Anne | East and Central Africa | Power, Violence |
| Film/Cinema (Ottoman Empire) | Çeliktemel-Thomen, Özde | Ottoman Empire | Media |
| Food and Nutrition (Africa) | Samson, Anne and Page, Melvin E. | East and Central Africa, Northern Africa, Southern Africa, West Africa | Home Front |
| Health, Disease, Mortality; Demographic Effects | Cretu, Doina Anca | Austria-Hungary, France, Germany, Great Britain, India, Italy, Japan, New Zealand, Ottoman Empire, Poland, Romania, Russian Empire, Serbia, USA | Home Front |
| Labour, Labour Movements and Strikes (Ottoman Empire/ Middle East) | Thompson, Elizabeth and Akin, Yiğit | Ottoman Empire | Home Front |
| Maps, Geography and the Representation of Space | Schneider, Ute | Belgium, France, Germany, Great Britain | Media |
| Migration (Norway) | Brazier, Eirik | Norway | Home Front |
| Military and Strategy (The Netherlands) | Klinkert, Wim | The Netherlands | Violence |
| Military Developments of World War I | Zabecki, David T. | France, Germany, Great Britain | Violence |
| Naval Blockade (of Germany) | Kramer, Alan | Germany | Home Front, Power, Violence |
| Occupation during and after the War (Italy) | Ermacora, Matteo | Italy | Post-war, Power |
| Organization of War Economies (Ottoman Empire/Middle East) | Pitts, Graham | Ottoman Empire | Home Front |
| Ottoman Empire/Middle East | Yanıkdağ, Yücel | Ottoman Empire | Home Front, Post-war, Power, Pre-war, Violence |
| Pre-war Military Planning | Seligmann, Matthew S. | Austria-Hungary, France, Germany, Great Britain and Ireland | Pre-war |
| Pre-war Military Planning (Austria-Hungary) | Kronenbitter, Günther | Austria | Pre-war |
| Pre-war Military Planning (Great Britain) | Strachan, Hew | Great Britain | Pre-war |
| Pre-war Military Planning (Italy) | Cappellano, Filippo | Italy | Pre-war |
| Pre-war Military Planning (Ottoman Empire) | Moreau, Odile | Ottoman Empire | Pre-war |
| Pre-war Military Planning (Russian Empire) | Sergeev, Evgenii Iur’evich | Russian Empire | Pre-war |
| Raw Materials | Chancerel, Pierre | Austria-Hungary, Brazil, Chile, China, France, Germany, Great Britain, India, Italy, Japan, Mexico, Russian Empire, USA | Home Front |
| Science and Technology (Africa) | Page, Melvin E. | East and Central Africa, Northern Africa, Southern Africa, Union of South Africa, West Africa | Home Front |
| Science and Technology (Canada) | Iarocci, Andrew | Canada | Home Front |
| 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 |
| 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 African Invasion of German South West Africa (Union of South Africa) | Kleynhans, Evert | Southern Africa, Union of South Africa | Violence |
| Transportation and Logistics | Brown, Ian M. | France, Germany, Great Britain, Iraq, Ottoman Empire, Persia/Iran | Home Front |
| Warfare 1914-1918 | Philpott, William | Austria-Hungary, France, Germany, Great Britain, Italy, Russian Empire, USA | 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 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
| Western Front | Krause, Jonathan | France, Germany, Great Britain | Violence |
