Title: Aces and airmen of World War I
Subjects: Aerial operations, Fighter pilots, World War, 1914-1918, Air forces & warfare, World history: First World War, First World War, 1914-1918, Military - Aviation, History, History - Military / War, History: American, USA, Military - World War I, History / Military / World War I, World war, 1914-1918, aerial operations, Aerial Military operations, Weltkrieg, Militär, Flugzeugführer, Biografie