| Air Warfare | Mahoney, Ross and Pugh, James | France, Germany, Great Britain, Italy, Russian Empire | Violence |
| Civilian and Military Power | Sondhaus, Lawrence | Austria, France, Germany, Great Britain, Hungary, Italy, Russian Empire, USA | Power |
| Civilian Morale | Ermacora, Matteo | Austria-Hungary, France, Germany, Great Britain and Ireland, Italy, Ottoman Empire, Russian Empire, USA | Home Front |
| On the Road to Modern War | Showalter, Dennis | France, Germany, Great Britain, Italy, Japan, Russian Empire, USA | Violence |
| The Military Collapse of the Central Powers | Tunstall, Graydon A. | Austria, Czechoslovakia, Germany, Hungary, Italy, Ottoman Empire | Violence |
| 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 |
