General
BROWN, David B.
The History of the Guild of Air Pilots and Air Navigators 1929 - 1964
BURGE, Squadron-Leader C.G.
Encyclopaedia of Aviation / Complete Book of Aviation
First published in the 1930s this encyclopædia is illustrated with photographs and diagrams throughout, including a pictorial review of engines and aircraft as a first section. Useful source of information on aviation of the time.
