| World War, 1914-1918 -- Aerial operation, American. Matches 1 item |
| World War, 1914-1918 -- Aerial operations. Matches 9 items |
| World War, 1914-1918 -- Aerial operations, American. Matches 5 items |
| World War, 1914-1918 -- Aerial operations, British. Matches 2 items |
| World War, 1914-1918 -- Aerial operations, French. Matches 2 items |
| World War, 1914-1918 -- Aerial operations, German. Matches 5 items |
| World War, 1914-1918 -- Aerial operations, Germany. Matches 1 item |
| World War, 1914-1918 -- Aerial operations -- Pictorial works. Matches 1 item |
| World War, 1914-1918 -- Africa. Matches 2 items |
| World War, 1914-1918 -- Africa, German East. Matches 1 item |