Papers of Colonel William de Lemos Milles ('Toby') Messenger, 1945-1994, relating to atomic tests and British nuclear policy, 1945-1989, including Messenger's report on effects of atomic blast on a Challenger tank, Australia, 1953 (Exercise TOTEM); manuscript draft article by Messenger on observing a nuclear explosion and pamphlets on nuclear weapons, 1945-1982 and papers relating to Messenger's position as Scientific Advisor (Nuclear) to Northhampton County Council (NCC) Emergency Planning, 1980-1993, including an appreciation of Exercise WET FINGER run by the NCC, [1988]; NCC emergency plans for radiation incidents; training manual for scientific advisors; files of notes, articles and other papers on the following topics: improving methods for obtaining bomb burst data, improvised bomb data, chemical and biological warfare, meteorology, victims of disaster, public reaction to nuclear technology, nuclear electromagnetic pulse, nuclear winter, casualty prediction, chemical and biological hazard protection and health, water, food, agriculture and energy after a widespread disaster; and publications including journal Fission Fragments, 1982-1992 and Civil Protection Magazine, 1991-1994.

British publications relating to the Allied war effort and the Home Front, 1940-1954, including editions of His Majesty's Stationery Office (HMSO) pamphlets Frontline, 1940-41; The official story of the civil defence of Britain (HMSO, London, 1942), Combined Operations, 1940-1942 (HMSO, London, 1943), Target: Germany. The US Army Air Forces' official story of the VIII Bomber Command's first year over Europe (HMSO, London, 1944), Among those present: the official story of the Pacific Islands at war (HMSO, London, 1946). Also pamphlet, 'The battle of South London', by Arthur L Woolf (Crystal Publications Ltd, London, c 1945), with photographs and accounts of bombing in South London, Second World War, and Westminster at War by William Sansom (Faber and Faber, London, 1947).