Papers of Alexander Van Millingen on history, architecture and archaeology, c1870s-c1900s (mostly undated), relating mainly to Constantinople and Byzantium but also to Biblical history, Greek and Roman history, history of philosophy and religion, early church history, and history of art, and including manuscript notes (some in notebooks), manuscript and typescript drafts, news cuttings, sketches, transcriptions and rubbings of inscriptions, and a few items of personal material, notably financial accounts and address books; photographs (some labelled as unpublished), plate proofs and sketches of buildings and monuments, and reproductions of inscriptions, including the walls of Constantinople and churches including Saint Eirene, Theodore, Theodosia, Sergios and Bacchos, Peter and Mark, Andrew in Krisis, Ioannes in Troullos, Christos in Chora, and Pantokrator (some items are endorsed with notes); photograph album of people and places in France, Germany, Italy, Austria, England, Montenegro, India, Tunis and Malta, 1889-1895 (where dated); plans of buildings, comprising the Egyptian obelisk in the Hippodrome, Constantinople, and the churches Saint Mary Mouchliotissa, Thekla, Mary Panachrantos, Peter and Mark, Mary Diaconissa, Theodosia, Saviour Pantepoptes, Theodore Thetiro, Mary Pammakaristos, John the Baptist of the Studion, the Church of the Myrelaion, the Monastir Mesjedi, the Refectory of the Monastery of Manuel, the Bogdan Serai, the Sanjakdar Mesjedi, and the Balaban Aga Mesjedi.

Papers relating to Gallipoli (Faber and Faber, London, 1936), 1927-1967, principally comprising original typescript, [1936]; correspondence, 1927-1967, notably with Brig Gen Cecil Faber Aspinall-Oglander, 1933-1939, Gen Sir Ian (Standish Monteith) Hamilton, 1934-1941, Capt Sir Basil Henry Liddell Hart, 1936-1937, AF Sir Roger John Brownlow Keyes, Bt, 1934-1939, and Maj Gen Arthur Cecil Temperley, 1935-1939; newspaper cuttings, [1915]-1966, including reviews of Gallipoli, 1936-1937, and cuttings relating to the Gallipoli campaign, [1915]-1966; 'Gallipoli', [script of radio programme] by Val Henry Gielgud, 1936; photographs of Gallipoli taken by North, [1936]. Papers relating to North West Europe (HMSO, London, 1953), 1943-1961, including original typescript, [1953]; correspondence, 1944-1957, notably with Liddell Hart, 1953-1954, and FM Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, 1954-1955; press cuttings, 1943-1961, comprising reviews of North West Europe, 1944-1945, dated 1953-1954, and cuttings relating to World War Two, dated 1943-1961; official US Government and HMSO publications relating to World War Two, 1945-1946. Papers relating to The Alexander memoirs (Cassell, London, 1962), dated 1941, 1945, 1946, 1948, 1959-1964, including draft copy, [1962], and published copy, 1962; correspondence, 1961-1964, notably with FM Harold Rupert Leofric George Alexander, 1st Earl Alexander of Tunis, 1961-1963, Liddell Hart, 1961-1962, and Montgomery, 1962; newspaper cuttings, 1945-1946, 1948, 1959-1963; photographs taken by North and Alexander on a visit to the Middle East and Italy, 1960. Other papers, [1931-1968], including articles by North, [1939-1966], notably concerning training, tactics and weaponry; correspondence, [1933-1960]; maps of UK and North West Europe, 1931-1944; press cuttings, 1939-1966, including reviews of Men Fighting (Faber and Faber, London, 1958), 1958-1959; 'Diary of the Belgian Campaign, May 1940', typescript text by AF Sir Roger John Brownlow Keyes, dated [1940].