Sources, References and Links

Sources are too numerous to list, but here are some of the principal ones:
Bureau Veritas Annual Registers 1925-1939. Complete set held by New York Public Library.
Incomplete set held by the Bibliotheque National, Paris (1925,1926,1947-) and the Musee de la Air, Le Bourget (1928, 1931-)
International Commission for Air Navigation (ICAN) Weekly Bulletins. 1920-1939 No.s 1-909
The Aircraft Year Book (US). Annual publication 1919-1939. The British Library (1919 to 1922)
The Aircraft Year Book (UK) 1923 The British Library
1000aircraftphotos
Recherchen zur Deutschen Luftfahrzeugrolle. 1919-1934. Karl Ries. ISBN 387341 0222
Recherchen zur Osterreichische Luftfahrzeugrolle von 1923-1938. Seagrave. Pub: Weishaupt. ISBN 390031 0076
Airlines of Latin America since 1919. R.E.G.Davies. Smithsonian Institution Press. ISBN 087474 3583
Many thanks to those who have contacted me with corrections, in particular Malcolm Fillmore, Theo Wesselink, Robert Gujski, Predrag Miladinovic, Herman Dekker and Josef Studeny

Civil Aircraft Registrations

The Civil Aircraft Registers of Great Britain 1919-1998. Volume 1.The Aviation Hobby Shop ISBN 0 907178 74X
Pascal Brugiers World Registers
Dave Lentons Complete French Register
Dave Lentons Complete German Register
Portuguese Aviation History
Historical Canadian Civil Aircraft Register - CAHS publications
Historical Australian Civil Aircraft Register - AustAirData
Aeroreg registers
Airnet production lists
CNAPG production lists
International Aircraft Register
Official Australian Register
Official Bermuda Register
Official Brazilian Register
Official Canadian Register
Official French Register
Unofficial German Register
Official Hungarian Register
Unofficial Hungarian Register
Official Indian Register
Official Netherlands Register
Unofficial Netherlands Register
Official New Zealand Register
Unofficial Polish Register
Unofficial Portuguese Register
Official South African Register
Official Swedish Register
Official Swiss Register
Official UK Complete Register
Official USA Register

Aircraft Production lists

Junkers production
de Havilland production
RWD production
Revolution in the Sky - The Lockheeds of Aviations Golden Age. R.S. Allen. Orion Books. ISBN 0517 566788