Papers, 1814-2015, relating to Hamilton's life, military career and activities. The collection specifically includes correspondence, 1852-1899; diaries and notebooks, 1870-1899; printed correspondence and speeches of FM Frederick Sleigh Roberts, 1st Earl Roberts of Kandahar, Waterford and Pretoria, 1878-1893; diaries kept during the siege of Ladysmith, South Africa, 1899-1900; personal and official correspondence during the Second Boer War, 1899-1902, including Hamilton's letters to FM Frederick Sleigh Roberts, 1st Earl Roberts of Kandahar, Waterford and Pretoria, 1901-1902, and operational correspondence of 10 Div and Hamilton's Force, 1900; Hamilton's diaries of the Russo-Japanese War, 1904-1905 and related correspondence, 1902-1905; publications of the Royal Commissions on the war in South Africa and on the Militia and Volunteers, 1903-1904; correspondence as General Officer Commanding Southern Command, 1905-1909, and related official papers; correspondence as General Officer Commanding Mediterranean Command and Inspector General of Overseas Forces, 1910-1914, including papers relating to compulsory and voluntary military service, official reports on overseas forces, and correspondence relating to Hamilton's tours of the West Indies, South Africa, the Far East, Canada, Australia and New Zealand; correspondence as Commander-in-Chief Central Force, Home Defence, 1914-1915; papers as General Officer Commanding Mediterranean Expeditionary Force on Gallipoli, 1915, including correspondence with FM Horatio Herbert Kitchener, 1st Earl Kitchener of Khartoum and Broome, and the War Office, Rt Hon Winston Leonard Spencer Churchill MP, Lt Gen Sir John Grenfell Maxwell and Lt Gen Sir William Riddell Birdwood; papers relating to Ellis Ashmead Bartlett and Keith Arthur Murdoch, war correspondents on Gallipoli; papers relating to operations at Suvla Bay and Sari Bair, Aug-Sep 1915, and to the efficiency of commanding officers; papers relating to Hamilton's despatches from Gallipoli, and to recommendations for decorations; official despatches, 1914-1919; force orders, intelligence bulletins and other papers of General Headquarters, Mediterranean Expeditionary Force; papers relating to Hamilton's Gallipoli diary; maps and official photographs of the Gallipoli Campaign; depositions of witnesses given to the Dardanelles Commission, with related correspondence, 1916-1919; correspondence with the War Office, 1917-1938; correspondence as Colonel of the Gordon Highlanders, 1912-1949; correspondence relating to ex-servicemen, the British Legion, and to war memorials, 1916-1949; correspondence and papers as Lord Rector of Edinburgh University, 1932-1936; correspondence with major military, political and literary acquaintances, including Rt Hon Winston Leonard Spencer Churchill MP, Rt Hon Richard Burdon Haldane, 1st Viscount Haldane of Cloan, Capt Sir Basil Henry Liddell Hart, John Masefield, FM Sir William Robert Robertson, and senior officers associated with the Gallipoli Campaign, 1916-1949; correspondence relating to the Anglo-German Association and to Anglo-German relations, 1928-1947; correspondence with members of the public and relatives, 1908-1948; business and financial correspondence, 1913-1947; correspondence relating to Hamilton's estate and his literary executors, 1948-1969; papers relating to Hamilton's publications, 1872-1948; speeches, articles and letters to the press, 1918-1947; scrapbooks and press cuttings, 1883-1971; photographs, 1855-1947; publications and other printed material, 1814-1966; diaries, correspondence and publications of Hamilton's wife, Jean Miller Hamilton, Lady Hamilton, 1869-1940; correspondence of Eleanor Charlotte Sellar, 1896-1934, including correspondence with Hamilton, FM Sir George Stuart White and FM Sir Neville Bowles Chamberlain.

Papers, mainly on World War One compiled by Sir Edward Louis Spears, 1851-[1974]; notably including official World War One correspondence and telegrams, to GHQ, 1 Army, Gen Douglas Haig, Lt Gen Sir Henry Wilson and other officers, on infantry composition, munitions and artillery, lists of officers, colonial troops, morale, observation and intelligence gathering, the lessons of specific campaigns, the employment of tanks, casualties, prisoners of war (POWs), training, public opinion, operational orders for the French 6 Army by Gen Emile Fayolle, and more generally relations between the French and British armies, meetings, views and opinions by and concerning French C-in-C Henri-Philippe Petain, French Northern Army Commander, Ferdinand Foch, and Robert Nivelle, French C-in-C, 1916-1917, an interview with Georges Clemenceau, French Prime Minister from Nov 1917, US, Japanese, Greek and other correspondence and communications over Siberia, Japan, Finland, Bulgaria, and demands for independence by Eastern European peoples, US participation in the War and opinions on President Woodrow Wilson, Italian military offensives, precis of interviews with corps and army commanders, manuscript diary (1915), on the Russian civil war, post-war commerce, correspondence with Winston Leonard Spencer Churchill on post-war claims, the current political and military situation, especially in Russia, and Versailles peace conference papers, 1914-1920 (Spears Section 1); unpublished material collected by Spears for his publications on the War, including a report of events for 122 Bd, Royal Field Artillery (1916), detailed memoranda and correspondence concerning operations notably comprising copy letters between FM Sir Douglas Haig, Gen Nivelle, and others including to the Chief of the Imperial General Staff, and on reinforcements, the German postions, the Calais Agreement of February 1917, 1 and 3 Army operations, Franch Army mutinies in 1917, extracts from a diary covering the Battle of Arras, Apr 1917, the politics of liaison, interviews with French and British officers, including French C-in-C Henri-Philippe Petain and Lt Gen Sir Launcelot Edward Kiggell reflecting on strategic and other concerns, 1916-1938 (Spears Section 2); printed material by other authors on World War One used by Spears in his published studies, [1917-1964] (Spears Section 3); draft notes and chapters for Spears' published works on World War One, [1919-1974] (Spears Section 4); original source material and notes by Spears on the 1870 Siege of Paris, mainly rough notes and draft chapters on the Siege, original and copy letters from participants describing events and an exercise book containing lecture notes redating the Franco-Prussian War, [1851-1974] (Spears Section 5); newspaper reviews of Spears' books and critics' letters, 1930-1969 (Spears Section 6); material relating to a war memorial at Mons, 1936-1968 (Spears Section 7); personal papers, mainly articles on the life of Spears [1918-1974] (Spears Section 8), maps, principally of Arras, Bullecourt and Mons, during 1917 [1917]-1959 (Spears Section 9); photographic material, post cards and watercolour sketches, including of trenches, damaged buildings, troops and officers, and a visit to the Balkans in 1920, 1914-[1920] (Spears Section 10); photocopies of some items of Second World War material transferred to Churchill College, Cambridge, mainly on the fall of France, General de Gaulle, and French resistance, [1940-1943].