A Rolls-Royce Merlin 621 maintenance manual; Wright Cyclone 9 Aircraft Engines Instruction book, and another for Cyclone 14; E. Molloy 'Aeroplane Engines' parts 1 and 2; a collection of notes and maintenance manuals for VC10; Avro 688, Tudor IV; Avro: Operator's Handbook for Avro Lancastrian aircraft November 1945; Inspection methods of Lancaster aircraft June 1943; Flight Engineer's notes for Lancaster aircraft June 1944; Instructional Course handbook June 1944; Type 691 Lancastrian Mk III Instruction and Service manual; York aircraft, volume I, General description; and Repair and Service manual for Avro XIX and others