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 writings, broadcasts and lectures, 1969-1985, including typescripts for Evelyn Baring the last Proconsul, incorporating copy source material from 1942 and correspondence with publishers; newspaper articles, 1971-1985; and memoirs of boyhood and schooldays. Papers relating to conferences and travels, 1965-1982, including typescript and manuscript accounts of visits to South Africa, Swaziland, Rhodesia and Kenya in 1976, Iran in 1978, China, Hong Kong and India, 1979 and Brazil and Chile, 1980; and diary of travels, 1976-1980. Personal papers, including invitations and correspondence, 1970-1985.

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.

Copies of papers and photographs relating to Boxer's life and military and academic careers, 1904-2000, including correspondence and cuttings from the Portuguese press, 1963-1964, relating to the criticism by Dr António Oliveira Salazar, Prime Minister of Portugal, and Professor Armando Cortesão, of Boxer and his book Race Relations in the Portuguese Colonial Empire, 1415-1825 , for proposing that Portugal had practised racial discrimination during its colonial expansion; letter of goodwill from Hisaakira Kano, Chairman of Kokusai Bunka Shinkokai (Japanese Society for International Cultural Relations), 4 Jan 1949; letter to Amanda Boxer from Richard Laurence Ollard, author, 8 May 2000, on Boxer declining the award of CBE; Homenagem ao Professor Charles Ralph Boxer. A tribute to Professor Charles Ralph Boxer (Centro de Estudos do Mar and Associão Fernão Mendes Pinto, Figueira de Foz/Montemor -o-Velho, 1999); Charles Ralph Boxer, 1904-2000 (commemorative booklet published by King's College London, 2000); 'In memoriam Charles Ralph Boxer' by Dr Frank Lequin, offprint from Journal of the Humanities and Social Sciences of Southeast Asia and Oceania , vol 156.4, Leiden, 2000; obituaries on Boxer from The Guardian , The Independent , and the Jornal de Coimbra and obituary of Emily Hahn, [ The Guardian ], Feb 1997; copies of pages from the 'Codex Lynch' and Marsden Mss, held by King's College London Archives, relating to the Portuguese East India Company, 1629-1633, and to the Jesuit mission in the Moghul Empire, 1668; copies of dustjackets of a selection of books written by Boxer; photographs, 1904-[1999], including Boxer in China, Japan, Siam, 1938, as a POW in Hong Kong [1942], his marriage to Emily Hahn, 1945, and his receiving honorary degree at Liverpool, 1966, and Order of Santiago da Espada, Portugal, 1990; copy of speech given by José Gregório Faria, Ambassador of Portugal, at a memorial reception for Boxer held at King's College London on 11 Jul 2000, with commemorative booklet.