Title: The air defence of Britain 1914-1918
Subjects: British Aerial operations, World War, 1914-1918, Aircraft: general interest, United Kingdom, Great Britain, First World War, 1914-1918, Europe - Great Britain - General, Military - Aviation, Military - World War I, History - Military / War, World war, 1914-1918, great britain, World war, 1914-1918, aerial operations