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 Aircraft recognition : Part I (British) 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 Visual aircraft recognition / Headquarters, Department of the Army - USA Field Manual, FM 44-30 Koninklijke Luchtmacht / A.P. de Jong Flugzeugerkennungsdienst - Duitsland Voorschrift Merkblatt 240, Folge 2/44 Falttafeln für den Flugzeugerkennungsdienst : Front- und Kurierflugzeuge der italienischen, rumänischen, ungarischen und slowakischen Fliegerverbände an der Ostfront
