| Air Warfare | Mahoney, Ross and Pugh, James | France, Germany, Great Britain, Italy, Russian Empire | Violence |
| Air Warfare (Italy) | Caffarena, Fabio | Italy | Violence |
| Arms Race prior to 1914, Armament Policy | Brose, Eric | France, Germany, Great Britain, Ottoman Empire, Russian Empire | Pre-war |
| Espionage | Debruyne, Emmanuel | Austria-Hungary, Belgium, France, Germany, Great Britain, Ireland, Italy, Russian Empire, Serbia, The Netherlands, USA | Violence |
| Literature (Germany) | Hüppauf, Bernd | Germany | Media |
| Maps, Geography and the Representation of Space | Schneider, Ute | Belgium, France, Germany, Great Britain | Media |
| Mutilation and Disfiguration | Anderson, Julie | Australia, Canada, France, Germany, Great Britain, New Zealand, USA | Violence |
| On the Road to Modern War | Showalter, Dennis | France, Germany, Great Britain, Italy, Japan, Russian Empire, USA | Violence |
| Photography | Roberts, Hilary | Australia, Austria-Hungary, Belgium, Canada, France, Germany, Great Britain, New Zealand, Russian Empire, USA | Media |
| Pre-war Military Planning | Seligmann, Matthew S. | Austria-Hungary, France, Germany, Great Britain and Ireland | Pre-war |
| Science and Technology | Johnson, Jeffrey | France, Germany, Great Britain, 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 (Australia) | Endacott, Eric | Australia | Home Front |
| Science and Technology (Canada) | Iarocci, Andrew | Canada | Home Front |
| Science and Technology (Germany) | Schwarz, Angela | Germany | Home Front |
| Science and Technology (Great Britain and Ireland) | Ford, Matthew | Great Britain | Home Front |
| Science and Technology (Italy) | Scartabellati, Andrea and Ratti, Felicita | Italy | Home Front |
| Science and Technology (Japan) | Kikuchi, Yoshiyuki | Japan | Home Front |
| Science and Technology (Portugal) | Assis, José Luís | Portugal | Home Front |
| Science and Technology (Russian Empire) | Palmer, Scott W. | Russian Empire | 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 |
| Switzerland | Tanner, Jakob | Switzerland | Home Front, Media, Power |
| 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 (Great Britain and Ireland) | Searle, Alaric | Great Britain and Ireland | Violence |
| Warfare 1914-1918 (Russian Empire) | Steinberg, John W. | Russian Empire | Violence |
