Veldvademecum voor voetuigcommandanten van verkenningseenheden. Aircraft camouflage and markings 1907-1954 / written and comp. by Bruce Robertson ; paintings by William F. Hepworth ; prod. by D.A. Russell British aircraft industry : a directory of Aircraft, Aero-Engines Component Parts, Accessories and Materials, 1939 / The Society of British Aircraft Constructors Identification friend or foe : being the story of aircraft recognition / written and designed by Tim Hamilton Military aircraft recognition 1970 / John W.R. Taylor Koninklijke luchtmacht 70 / C. van der Velden en E. Ragas the new observer’s series New Observer's Book of Aircraft / compiled by William Green ; with silhouettes by Dennis Punnett Koninklijke Luchtmacht / A.P. de Jong grote alken Koninklijke luchtmacht / A.P. de Jong Aids to Weapon Training some ideas on improvisation Zakboek. Herkenning. Vliegtuigherkenning nr. 4001 Instruction sur le role de l'aviation de combat sur le missions de l;aviation d'observation et sur les missions d'obsarvation de l'aerostation
