'Trumpet Calls, Royal Air Force (A.P. 162) 2nd Edition, March, 1938. (Reprinted 1939, incorporating Amendment List 1.)' from His Majesty's Stationary Office (HMSO) Catalogue

Name	Trumpet Calls, Royal Air Force (A.P. 162) 2nd Edition, March, 1938. (Reprinted 1939, incorporating Amendment List 1.)
Category	Air Reference
Department	Air Ministry
Issued For	none
SO.Code	22-76-0-39
Distribution	none
Distribution Information	none
Listed In HMSO Index	Nov/1939
Pages	unknown
Printer	none
Size	unknown
Price	none