Other Air Forces
FRANKS, Norman & BAILEY, Frank
The Storks - The Story of France's Elite Fighter Groupe de Combat 12 (Les Cigognes) in WWI
FRANKS, Norman L.R. & BAILEY, Frank W.
Over the Front: A Complete Record of the Fighter Aces and Units of the United States and French Air Services 1914 - 1918
FRÉLAUT, Jean & PIERQUET, Claude-A.
Les Seafire dans l'Aéronautique Navale français
GEUST, Carl-Fredrik; KESKINEN, Kalevi; NISKA, Klaus & STENMAN, Kari
Neuvostoliiton Ilmavoimat II Maasilmansodassa - Red Stars in the Sky: Soviet Air Force in World War Two
GLASS, Andrzej
Polish Wings
Photographic history of aviation in Poland from its origins, through the wars, to the 1970s. Colour aircraft drawings to the rear.
GORDON, Yefim & KHAZANOV, Dmitri
Soviet Combat Aircraft of the Second World War
Volumes 1 & 2
Fine two volume study with photographs throughout.
Volume One - Single-Engined Fighters
Volume Two - Twin-Engined Fighters, Attack Aircraft, and Bombers.