Papers relating to his life and career 1928-1981, including correspondence, (letters, reports, memoranda, training programmes, photographs and maps) relating to the Allied invasions of North Africa and Sicily (Operation TORCH and Operation HUSKY), 1942-43; correspondence between Salmon and the Air Ministry relating to the daily running of RAF Regt units under his command in North Africa, Sicily, Italy, Greece and Yugoslavia, 1942-1945; correspondence with Maj Gen Claude Liardet, Commandant of RAF Regt, 1942-1945; Salmon's retrospective war diaries (2 vols.) detailing RAF Regt unit operations in Mediterranean theatre, 1942-1945; maps of North Africa, Sicily, Italy, France, Greece and Yugoslavia, 1928-1944; photographs of RAF Regt units in Greece, North Africa and Italy, 1942-1945; papers relating to 'Ground-Air Landmark' (GAL) operations conducted by RAF Regt, 1944-1945.