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and a few items of personal material, notably financial accounts and address books; photographs (some labelled as unpublished), plate proofs and sketches of buildings and monuments, and reproductions of inscriptions, including the walls of Constantinople and churches including Saint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.

Typescript edited and unedited versions of memoirs of Lt Col John Alfred Codrington, [1947] entitled 'Gathering moss', 1898-1944, including account of service with British Mission Allied Armies of the Orient, Smyrna, Turkey, 1920, and as British Liaison Officer to French forces in Syria, 1926-1929. Photographs and papers, including notebook with manuscript notes on Regimental history of the Coldstream Guards, military training and preparations for deployment to France, 1917, eight watercolour paintings of churches in French towns, 1918, and photograph of Gen Sir George Wentworth Alexander Higginson at the unveiling of the Guards Memorial, St James's Park, London, 1926.