Photograph albums relating to his military career, [1914-1942], notably his service in Northern Ireland, 1920, Hong Kong and Shanghai, 1930, North Africa and India, [1930-1940], and Kenya, 1940-1942, with associated papers, [1914-1942], notably a diary of C and D Companies, 1 Bedfordshire and Hertfordshire Regt, Belfast, 28 Jul-30 Jul 1920.

Papers relating to the Dogra Regt, Indian Army, 1923-1944, including typescript notes by Brig John Parke Fullerton on 3 Bn, 17 Dogra Regt, 1923-1940; typescript notes by Maj Peter Lewis Gell and Tom Roe on the redeployment by air of 5 Indian Div from Arakan to northern Burma, Mar 1944; typescript notes entitled 'The story of Havildar Rattan Singh MM, 3 Bn, TheDogra Regiment' [1945]; typescript notes entitled 'A brief history of the 8th Independent Infantry Bde in Malaya, Nov 1940-Feb 1942' [1945]; typescript 'An abridged history of the Dogra Regiment' [1975]; typescript notes by Col Francis Cortland Simpson, General Staff Officer 1, 17 Indian Div, Burma, 1942, on the demolition of the Sittang Bridge [1983]. Papers relating to operations of 156 (East Africa) Independent Heavy Anti-Aircraft Battery, Royal Artillery, Kenya, 1952-1955, including typescript notes on the history of artillery units in East Africa and operations in Kenya, 1952-1955, with photographs of Kenyan recruits, 3.7 inch heavy anti-aircraft guns and 25 pounder guns.

Collection consists of seven issues of the East Africa Command monthly magazine Jambo, Dec 1944-Jun 1945. The issues include fiction, service information, East Africa cultural articles, verse, and illustrations relating to British service in East Africa during World War Two, and notably contain articles by Damon Runyon, (William) Somerset Maugham, and J(ohn) B(oynton) Priestley

The papers cover the period 1914-1965 and include papers relating to service in England, France and with British Army of the Rhine, 1914-1919 in particular 35 Division Artillery Signals; Iraq, including diary, 1920-1921; Nigeria, including field message book, 1924; Quetta, India, including earthquake diary, 1935; newspapers covering death of King George V, 1936; command of Northern Rhodesia Regt, Lusaka, 1937-1940, including scrap albums; command of 26 (East African) Infantry Brigade, East Africa and Abyssinia, 1940- 1941, including operation reports; command of 22 (East African) Infantry Brigade, Madagascar, 1942, including operation reports; command of 28 (East African) Infantry Brigade and 11 (East African) division, Burma and India, 1944-1946 including accounts of operations; General Officer Commanding East Africa, 1946- 1948, including official circulars, speeches and addresses; General Officer Commanding Aldershot Command, 1948-1951, including speeches and lectures; Representative on Military Staff Committtee, United Nations, 1951-1953, including diary; Col Commandant of Northern Rhodesia Regiment, King's African Rifles and Kenya Regiment, including correspondence, 1952-1964, committee papers and publications; papers relating to Army Cadet Force Association including minutes of meetings, 1956-1959; Inter-Parliamentary Union, including account of journey to Warsaw, Poland, 1959; maps, 1914-1943, including Western Front, Iraq and India, Nigeria and Madagascar.

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.