Letter from WSC to The Adjutant, Queen's Own Oxfordshire Hussars, on his course of instruction to become qualified for field rank, asking for special consideration on account of his parliamentary and ministerial duties [copy].

Letter from General Sir Ian Hamilton, Tidworth House, Andover, to WSC, congratulations on performance of the Henley Squadron, Oxfordshire Hussars.

Letter from Colonel Sir Robert Hermon-Hodge, (later Lord Wyfold), Oxfordshire Hussars, to WSC, declining invitation to attend Henley Squadron Ball, and offering congratulations on WSC's success with the Squadron.

Account by WSC of his escape from the Boers [typescript with ms amendments by WSC, on Admiralty notepaper, probably drafted in connection with a libel action against William Blackwood & Sons, heard on 20 May 1912].

WSC's Commission as Captain in the Queen's Own Oxfordshire Hussars.

Letter from Lt-Colonel Sir Robert Hermon Hodge (later Lord Wyfold), Queen's Own Oxfordshire Hussars, to WSC, on WSC's promotion [to Major] and his appointment to command the Henley Squadron of the Regiment.

Report from Captain Aylmer Haldane, Pretoria, South Africa to the Chief of Staff, Natal Field Force, on the capture of an armoured train at Frere, including praise of WSC's actions in saving the engine "he was frequently exposed to the full fire of the enemy. I cannot speak too highly of his gallant conduct".

Letter from P J Joubert to F W Reitz, advising against WSC's release from captivity, [in Afrikaans].

Search Warrant following WSC's escape from the Boers, with photograph taken in Egypt, 1898 [in Afrikaans, with translation].

Letter from [H C Breaul], Acting Commissioner of Police, Pretoria, to Justice of the Peace Schweizer-Reneke, description of WSC with photograph [in Afrikaans, with translation].

Letter from [H C Breaul], Acting Commissioner of Police Pretoria, South Africa, to ?, on WSC's escape to Durban via Lorenco Marques [in Afrikaans, with translation].

Letter from [H C Breaul], Acting Commissioner of Police, Pretoria, to Justice of the Peace Schweizer-Reneke, description of WSC [typescript copy, in Afrikaans, with translation].

Letter from William Blackwood & Sons, Publishers, George Street, Edinburgh, to Lewis & Lewis, Solicitors, London, on allegations that WSC had broken his parole as a Prisoner of the Boers in South Africa, by WSC in "Twice Captured" by Lord Rosslyn, stating that the statement would be deleted in future editions.

Certificate of WSC's Service as a Lieutenant in the South African Light Horse, 2 January - 23 March 1900, signed by Lt-Colonel Julian Byng, later Lord Byng.

Letter from Lady Randolph Churchill, Minto House, Hawick to WSC, on the war in India.

Letter from Lady Randolph Churchill [Edinburgh] to WSC, on the publication of WSC's letters from India in the Daily Telegraph.

Letter from Lady Randolph Churchill, Bridlemere, Newmarket, to WSC, on the war in India.

Letter from Lady Randolph Churchill, Highclere Castle, to WSC, on the war in India, and on WSC's letters to the Daily Telegraph.

Letter from Lady Randolph Churchill, 35a Great Cumberland Place, to WSC, on the war in India, and on the Christmas celebrations at Blenheim Palace, particularly the "theatricals they were putting on for charity, commenting that the "whole of Oxford may turn up, or any vulgarian from London who chooses to pay 10s to see the Churchills playing the fool.

Letter from Lady Randolph Churchill, Chatsworth, Derbyshire, to WSC, suggesting that he should write to the Prince of Wales [later King Edward VII] about his experiences in India, on the publication of The Story of the Malakand Field Force, on the possibility of WSC joining Kitchener's force in Egypt, and on John S Churchill's future career, stating that he would go to Germany for a year, learn book- keeping & German, & one of these days make a fortune".

WSC's Commission as a Second Lieutenant in the 4th Hussars (signed by Queen Victoria and Sir Henry Campbell-Bannerman, Secretary of State for War).

Letter from Sir Henry Drummond Wolff, British Ambassador to Spain, to WSC, on his efforts to obtain permission from the Spanish authorities for WSC to visit Cuba.

Letter from Sir Henry Drummond Wolff, British Ambassador to Spain, to WSC, sending letter of introduction from General Marcelo de Azcarraga y Palermo, Spanish Minister of War, to Marshal Arsenio Martinez de Campos, Spanish Captain General, Cuba.

Letter from Lord Salisbury, Prime Minister, to WSC, sending letter of introduction for WSC's visit to Cuba, at the request of Sir Henry Drummond Wolff.

Letter from Sir Donald Wallace, Foreign Department, The Times to WSC, sending letter of introduction to C E Akers, Times Correspondent in Cuba.