Reports, correspondence, memoranda, maps, notes and press cuttings relating to the Dhofar War, Muscat and Oman, 1967-1971, including typescript 'Brief on Muscat and Oman', produced by Headquarters, Sultan's Armed Forces, Jun 1965; appointment diary, May-Dec 1968; correspondence, 1969-1972, mostly with Brig Corran William Brooke Purdon, Sultan's Armed Forces, Muscat, relating to operations in Dhofar, 1969-1970; typescript Muscat Regt contact reports relating to operations against People's Front for the Liberation of the Occupied Arabian Gulf (PFLOAG) guerillas, Muscat and Oman, 1969-1970, with typescript lists of Muscat Regt casualties, 1968-1969, and operations carried out, Apr-Dec 1969; typescript and manuscript notes relating to operations in Dhofar, 1970, with transcriptions of signals, 1970; six humourous cartoons by Jack Sullivan relating to operations in Muscat and Oman, Jan 1970; one colour photograph and seventeen captioned photographic slides relating to the Muscat Regt, Dhofar [1970]; bound volume of printed maps of Muscat and Oman [1970]; edition of The Guards Magazine. Journal of the Household Division, with article by Thwaites entitled 'Operation LANCE', Summer 1970; typescript text of lecture by Thwaites entitled 'Dhofar 1967-1970' [1972]; copy of article by Thwaites entitled 'The Dhofar campaign, 1967-1970' from the Sultan's Armed Forces Newsletter, 1989. Also, typescript volume entitled 'Britain and Oman: the Dhofar War and its significance. A dissertation submitted for the degree of Master of Philosophy in the University of Cambridge' by Lt Col John McKeown, Royal Engineers, 1981, and manuscript of Thwaites' book on the Dhofar War entitled 'Arabian Command' [1991], later completed by Maj Simon Sloane as Muscat command (Leo Cooper, London, 1995). Edition of Muscat command by Thwaites, completed by Maj Simon Sloane (Leo Cooper, London, 1995).