| World War, 1914-1918 -- Sources. Matches 14 items |
| World War, 1914-1918 -- Sources -- Congresses. Matches 1 item |
| World War, 1914-1918 -- Southeast Asia. Matches 1 item |
| World War, 1914-1918 -- Soviet Union. Matches 8 items |
| World War, 1914-1918 -- Spain. Matches 1 item |
| World War, 1914-1918 -- Study and teaching (Elementary) Matches 1 item |
| World War, 1914-1918 -- Tank warfare. Matches 1 item |
| World War, 1914-1918 -- Technology. Matches 2 items |
| World War, 1914-1918 -- Territorial questions. Matches 2 items |
| World War, 1914-1918 -- Territorial questions -- Croatia -- Rijeka. Matches 1 item |