Correspondence (mainly consisting of letters written by LSA while Assistant Secretary to the War Cabinet) between LSA and correspondents including: Professor William Adams [Secretary to the Prime Minister], on LSA's memoranda about Ireland (2); Christopher Addison [Minister in Charge of Reconstruction], on LSA's idea for extending postal rates to Empire trade; Waldorf Astor [Parliamentary Secretary to the Prime Minister], on LSA's ideas on proportional representation; Lieutenant-Colonel John Buchan [Director of Information under the Prime Minister, later 1st Lord Tweedsmuir], on publishing a speech by Jan Smuts [South African Minister of Defence], investigating a rumour of mass graves, and sending information to the Dominions and Russia; Sir Reginald Brade [Secretary, War Office]; Arthur Balfour [Foreign Secretary], on LSA's idea for buying goods from France to ease the French debt; Sir George Barclay; Lieutenant-Colonel James Barrett (2); Charles Bathurst [Parliamentary Secretary to Ministry of Food, later 1st Lord Bledisloe] on importing dried foods; Robert Brand, on settling the Allies' debts to Britain; Sir Henry Bax-Ironside [former Minister Plenipotentiary to Bulgaria] on evidence that should have been put before the Dardanelles Commission of Inquiry on the role of Bulgaria; Lieutenant-General Sir Herbert Belfield [Director of Prisoners of War] on the amount of food being sent to British prisoners in France; Sir Robert Borden [Prime Minister of Canada and Canadian representative at the Imperial War Cabinet] on attending meetings and Canada's munitions output; [Arthur] Neville Chamberlain [Director-General of National Service] on organising his department and LSA's idea for raising the age of conscripts (3); Sir Edward Carson, on LSA's ideas on hospital ships and on Irish government and controlling Empire trade in raw materials; Lord Robert Cecil [Minister of Blockade, later 1st Lord Cecil of Chelwood] on improving relations with Greece and LSA submitting his ideas on foreign policy to him (2); [Joseph] Austen Chamberlain [Secretary of State for India] on the India Defence Force and LSA's ideas on the future self-government of India (3); [Robert] Erskine Childers on a federalist Ireland; Colonel George Clive; Winston Churchill, on LSA's views about inequalities in the promotion system; Sir George Clerk; [George] Sydney Clive; Brigadier-General George Cockerill, on LSA's views about breaking up the Colonial Office; Sir Julian Corbett [Director of Historical Section, Committee of Imperial Defence]; Lord Courtney on proportional representation; 1st Lord Cozens-Hardy [Master of the Rolls]; Lieutenant-Colonel James Craig [later 1st Lord Craigavon], on LSA's views about partition of Ireland; Herbert Creedy [Assistant to the Secretary of the War Office]; the Comte A de Croze (3); Bertram Cubitt [Assistant Under-Secretary of State, War Office] on LSA's appointment as a staff officer with the Committee of Imperial Defence; Sir Thomas Cuninghame on following a policy of reconciliation between King Constantine of Greece and Eleutherios Venizelos [Prime Minister of Greece]; Lieutenant-Colonel F Cunliffe-Owen, General Staff, Salonika Force, on organising Balkan intelligence and being passed over for promotion (3); Sir Hugh Clifford [Governor of the Gold Coast, later Ghana, Africa] on river transport in the Mesopotamia region [Iraq, and parts of southeast Turkey, southwest Iran and Syria]; 1st Lord Curzon on the railways in Persia [Iran], and LSA's views on foreign policy, including the German colonies and the situation in Greece (2); Geoffrey Dawson [Editor of the Times, earlier Geoffrey Robinson], on subjects including LSA's views for an Irish Conference; 17th Lord Derby [Secretary of State for War, earlier Lord Stanley] on National Service, particularly LSA's idea of raising the military age and faults in the new system; Henry Dickson [Head of Geographical Section Intelligence Department, Admiralty]; Sir [James] Eric Drummond [Private Secretary to the Foreign Secretary, later 16th Lord Perth] (2); Lieutenant-Colonel Sir James Dunlop Smith [Political aide to the Secretary of State for India]; Henry Duke [Chief Secretary for Ireland, later 1st Lord Merrivale] on the political situation in Ireland; Mary Durham; Sir [James] Percy Fitzpatrick on subjects including affairs in South Africa (5); Pierre Flandin; Sir Auckland Geddes [Minister of National Service] on making Russian Jews liable for conscription; Major-General Lord Gleichen [Director of Intelligence Bureau, Department of Information]; Sir Ronald Graham [Assistant Under-Secretary, Foreign Office] on agreed Allied payments to the provisional Government of Greece; Sir [William] Guy Granet [Director-General of Movements and Railways]; Admiral [William] Reginald Hall, Director of Intelligence Division Admiralty War Staff; Sir Maurice Hankey [Secretary to the War Cabinet] on subjects including LSA's ideas on the Imperial Conference, Imperial Preference, troops in the dominions, coastal defence, the Blacksod Bay railway [County Mayo, Ireland] and communications between the War Cabinet and the War Council at Versailles [France]; [Frederick] Leverton Harris [Parliamentary Secretary to Ministry of Blockade]; William Hughes, Prime Minister of Australia, on LSA's ship being torpedoed, LSA's account of the work of the new War Cabinet, the Imperial Conference, the effects of Irish politics and Sinn Fein on the Australian Army and shipping between Australia and Britain; [?] Richard Jebb; Andrew Bonar Law [Chancellor of the Exchequer] (2); Sir Hubert Llewellyn Smith [Permanent Secretary to Board of Trade]; Guy Locock [Private Secretary to the Under-Secretary of State for Foreign Affairs] (2); Walter Long [Secretary of State for the Colonies] on LSA's views about Ireland and Imperial Preference (7); Sidney Low; Andrew Magill, Irish Office (2); Sir Louis Mallet, Foreign Office, on the Air Board and the status of aviation (2); Major-General Frederick Maurice [Director of Military Operations, Imperial General Staff] on why sending American troops to the Middle East would not be practicable and the importance of rebuilding Russian power in Palestine; Frederick Oliver; Henry Page Croft [Chairman of the Tariff Reform League (2); Montague Parker (4); Sir John Simon on his marriage to Kathleen Harvey; Sir Arthur Steel-Maitland [Parliamentary Under-Secretary for the Colonies] regretting that LSA would not be succeeding him at the Colonial Office (2); Malcolm Seton [India Office], asking LSA to write an article on the sensitive political situation in India; Christopher Thomson; Vaughan Nash, Secretary, Ministry of Reconstruction; 5th Lord Ventry [earlier Frederick Eveleigh-de-Moleyns] (2); [William] Basil Worsfold.

Also includes: annotated memorandum by LSA on the Russian situation and its consequences.