On auction is a lot of 3 rare WW2 Royal Air Force manuals: - AP 837 (War Edition) - Manual of Administration in the Royal Air Force. Air Ministry, London, December 1942. Hardcover edition, loose string bound. Ca. 200 pages (manual contains no page numbers, only sections). Front cover has some staining, damp marks and fading. Rear cover good condition. Dimensions: 25 x 15 x 2.7 cm. - AP 113 (Supplement) - Revised List of R.A.F. Forms, Publications and Air Diagrams. Air Ministry London, March 1941. Softcover, stapled, 72 pages. A treasure trove of information for researchers. Contains the full list of Forms, Air Publications and Air Diagrams as per March 1941. Dimensions: 21 x 13,5 cm. - AP 1301 - Royal Air Force War Manual - Part II Organization and Administration. Air Ministry London, June 1940. Hardcover, loose string bound, ca. 140 pages. An interesting manual from the Battle of Britain period. Contains detailed information on the RAF organization, services, personnel, joint operations, billeting, transport and many other topics. Dimensions: 17.5 x 12 cm.