Fragments from France / by Bruce Bairnsfather Air aces of the 1914-1918 war / Produced by D. A. Russell Stormtroop tactics : innovation in the German Army, 1914-1918 / Bruce I. Gudmundsson penguin books Flying dutchman : the life of Anthony Fokker / by Anthony H.G. Fokker and Bruce Gould Firepower / Bruce Quarrie