Narrative of operations of 7 Division, 1918 by the Revd E C Crosse including reference to Clifford's service as Officer Commanding 95 Field Company, Royal Engineers; papers relating to Anglo-Italian Jubaland Boundary Commission, 1925-1928 including maps; British Somaliland-Ethiopia Boundary Commission, 1931-1936, including intelligence reports on French Somaliland, air survey operations, Walwal incident between Italian and Ethiopian troops, and printed reports on the work of the Commission; Chief Engineer, China Command, including report on Royal Engineers in Hong Kong, 1941-1942; Kenya-Ethiopia Boundary Commission, 1950-1957, including diaries, 1951-1955, printed reports, and maps of the boundary, 1946-1949; published articles by Clifford, 1928-1947, mainly on boundary commissions; technical manuals, 1924-1932, including surveying; publications and printed works, 1892-1952, including boundary commissions.

Seventeen volumes of Survey of India. Geodetic Report, 1922-1940 (Surveyor General of India, Survey of India, Dehra Dun, India, 1928-1945), with editions of Survey of India. Supplement to the Geodetic Report Volume VI. Indian deflection and gravity stations (Surveyor General of India, Survey of India, Dehra Dun, India, 1931) and Survey of India. Supplement to the GeodeticReport 1937. Isostatic reductions of Indian Gravity Stations (Surveyor General of India, Survey of India, Dehra Dun, India, 1939). Eight volumes of Survey of India. General Report, 1947-1955 (Surveyor General of India, Survey of India, Dehra Dun, India, 1949-1959).Twelve volumes of Survey of India. Technical Report, 1947-1954 (Surveyor General of India, Survey of India, Dehra Dun, India, 1949-1957). Six volumes entitled Survey of India. Professional Paper No 15. The pendulum operations in India and Burma 1908 to 1913 by Capt Harold John Couchman, Royal Engineers, Deputy Superintendent, Survey of India (Government of India, Dehra Dun,India, 1915); Survey of India. Geodetic triangulation by Capt Guy Bomford, Royal Engineers, Superintendent, Survey of India (Surveyor General of India, Survey of India, Dehra Dun, India, 1931); Survey of India. Professional Paper No 27. Gravity anomalies and the structure of the Earth's crust by Maj Edward Aubrey Glennie (Surveyor General of India, Survey of India, Dehra Dun, India, 1932); Survey of India. Professional Paper No 30. Gravity anomalies and the figure of the Earth by B L Gulatee, Mathematical Adviser, Survey of India (Surveyor General of India, Survey of India, Dehra Dun, India, 1940); damaged volume entitled Survey history [1950]; The Survey of India during war and early reconstruction 1939-1946 by Brig Sir Oliver Wheeler (Surveyor General of India, Office ofthe Geodetic and Research Branch, Survey of India, Dehra Dun, India, 1955). War Office map case containing forty three printed maps of western Europe, mainly France and Germany, and twenty two printed maps of the UK, various scales [1944].

Papers and photographs, 1913-1958, including fourteen panoramic photographs produced by Survey Company, Royal Engineers, Salonika Force, labelled to show topographical details, Feb 1917; 'Salonika fire', 18-19 Aug 1917, a series of 24 official photographs of the city, taken by Survey Company, Royal Engineers and Royal Flying Corps; two photographs, one of a uniformed group including Stevenson, [1946], and the other of an unidentified painting showing construction work on an airfield [1940]. Papers relating to the evacuation of Royal Engineers establishments in Beit-Nabala and Haifa, Palestine, 1948. Editions of Notes on building materials and their uses (School of Military Engineering, Chatham, 1913); 'RMA (Royal Military Academy) Magazine', Vol XV, No 58, Nov 1914.

German armed forces maps, gazetteers, and geographic charts of the United Kingdom, 1939-1944. Includes detailed study produced by the Commander in Chief of the German Air Force concerning the organisation of the RAF, the strengths and locations of British aircraft production facilities, the location of RAF flight schools, airfields and anti-aircraft facilities, the location and strengths of RN facilities in Britain and the North Sea, and British aircraft carrier strengths, 1939; German harbour atlas and gazetteer produced and distributed by the Commander in Chief of the German Air Force, entitled Seehafensatlas Großbritannien, detailing in 1:50,000 maps and aerial photographs, naval harbours and ports in Britain, 1940; German Navy High Command map books of naval ports and harbours in the United Kingdom, their associated agricultural and heavy industries production rates, defence facilities, and geographical locations, 1940; map books issued by the Commander in Chief of the German Air Force, entitled Luftgeographisches Einzelheft Großbritannien, detailing the location of British heavy industry, gas works, water works, aircraft and naval production facilities in Britain, including 1:21,120 maps, 1940; German Army High Command book, entitled Militärgeographie Angaben über Irland, and detailing in photographs the towns, cities and countryside of Ireland and Northern Ireland; German Army Command gazetteer of Ireland and Northern Ireland, entitled Militärgeographie Angaben über Irland, listing county sizes, numbers of inhabitants, population densities, industries, and harbour and port facilities in Ireland and Northern Ireland, 1940; German Army High Command gazetteers of Britain, listing alphabetically towns and cities, their longitude and latitude co-ordinates, their respective counties, numbers of inhabitants, industrial and agricultural production rates, and trains station facilities, 1941; map book distributed by the Commander in Chief of the German Air Force, entitled Britische Flugrüstungsindustrie, detailing the location, size, and production rate of ship-building and aircraft production centres in Great Britain, 1941; map books distributed by the Commander in Chief of the German Air Force including detailed photographs, 1:100,000 and 1:250,000 maps, longitude and latitude co-ordinates, population density statistics, and points of reference notes for town and cities in Britain, 1943-1944

World War Two ordnance survey maps of the United Kingdom and Europe, mainly 1 inch, prepared by the Geographical Section, General Staff, and the War Office, for use by the Royal Electrical and Mechanical Engineers (REME), including 1:40,000 map of Antwerp, Belgium; 1:100,000 map of Brussels, Belgium; 1:5,000,000 map of South Africa; 1:250,000 map of Italy; and 1:50,000 map of Northeast France. Also included are German survey maps of North Africa and Northern Greece, and 1:300,000 map of the Netherlands with manuscript outline of German Army occupation districts, 1940-1943