Letters dated 1909-1914 from FM Earl Haig, Chief of General Staff in India and Commander-in-Chief at Aldershot, including potential candidates for appointments and Indian Army policy including reorganisation and recruitment; letters dated 1914-1918 from Haig, General Officer Commanding 1 Corps and Commander-in-Chief, British Armies, France, referring to operations including Dardanelles, Verdun; letters dated 1914-1918 from FM Sir Henry Wilson, British military representative at SupremeWar Council, Versailles, including French war effort; correspondence dated 1915-1921 with FM Sir William Robertson, General HQ British Armies in the Field including shortage of supplies and troops; Kiggell's demi-official correspondence when Chief of General Staff, 1916-1919, with various commanders on subjects including administration, planned operations, supply of guns and ammunition to Belgium, France and Russia and staff appointments; recollections dated 1919 of Chantilly conference, Nov 1916, to consider planned operations in 1917.