Papers relating to Watts' RN career, training of RN Engineers and meteorology, 1945-1990, including three telegrams relating to the German and Japanese surrenders, May and Aug 1945, and to the signing of the Japanese surrender, Tokyo Bay, Japan, Sep 1945; lectures and talks by Watts relating to RN Engineer training, 1960-1962; typescript lecture notes entitled 'The Instructor Branch' [1961]; typescript address to Royal Naval Reserve Instructor Officers, [1964]; correspondence with R Adm Sir William (Alfred) Bishop, R Adm Christopher John Howard, Capt John Athol Burnett, RN, Capt Arthur Ernest Johnston, RN, Capt Alexander Malcolm Morrice, RN, Cdr William Nimmo Bowman, RN, and Richard J Ogden, Apr-Nov 1988, relating to research for a lecture by Watts on 'Meteorology in the Royal Navy in World War Two' to the History Group of the Royal Meteorological Society, Oct 1988, with edition of Meteorology and World War II. Second conference, October 1988, edited by Brian Douglas Giles (Royal Meteorological Society, School of Geography, University of Birmingham, Birmingham, 1989); typescript account of German bombing of HMS ILLUSTRIOUS off Pantelleria, Mediterranean, 10 Jan 1941, entitled 'A day to remember', with two sketch maps of the operation [1990]; typescript lecture notes on the organisation of the RN Meteorological Service in World War Two [1990].

Edition of A Gazetteer of Greece published by the Permanent Committee on Geographical Names for the Admiralty and War Office (House of the Royal Geographical Society, London, 1942). Also, official 1945 edition of RAF Map Catalogue containing lists of maps of Europe, the Middle East and the Far East held by the RAF and published by Directorate of Military Survey, Middle East; Directorate of Survey, Geographical Section General Staff, India; the Australian Survey Corps; the Aeronautical Chart Service; US Army Air Forces; and the Army Map Service, US Army. Book of maps published by the Institute for Army Education relating to the British campaign in Burma, 1942-1945, and including maps of Northern Arakan, the Assam Front, the Kohima Sector, the Imphal Sector, the Irrawaddy, and campaigns in Burma and Eastern India, 1942-1945. Ministry of Defence map and air chart sales catalogue containing details of all maps and aeronautical chart series released for sale to the public by the Ministry of Defence, including world surface maps, aeronautical topographical and planning charts, and special navigational charts, 1968- 1971.