Letter from Albert Edward, Prince of Wales (later King Edward VII), Marlborough House, London to WSC, congratulations on the success of The Story of the Malakand Field Force. Hoping that he would not follow the example of Lord Fincastle, and leave the Army to enter politics.

Letter from George Curzon, [later Lord Curzon of Kedelston], 4 Carlton Gardens, London, to Lady Randolph Churchill, on the praising WSC's book "The Story of the Malakand Field Force".

Letter from Sir Michael Hicks-Beach, (later Lord St Aldwyn), Netheravon, Salisbury, to WSC, on his speech at the unveiling of the bust of Lord Randolph Churchill in the House of Commons, , and offering congratulations on the success of "The Story of the Malakand Field Force".

Letter from Frances, Duchess of Marlborough, Castlemead, Windsor, to WSC, on the draft of his novel Savrola, Suggesting that he should show it to some of Lord Randolph's Literary friends.

Letter from Lord Cromer, [Cairo, Egypt], to WSC, on his criticism of The River War.

Letter from Alice Stopford Green to WSC, on his letters to the press.

Letter from Cecil Rhodes, Burlington Hotel, London, to WSC, breakfast invitation.

Letter from WSC, 35A Great Cumberland Place, to Winston Churchill (American author), stating that in his future works he would be known as Winston Spencer Churchill, to avoid confusion with his namesake [typescript copy].

Letter from Winston Churchill to WSC, thanks for letter stating that in future publications he would adopt the name "Winston Spencer Churchill". Stating that he would consult his friends about the advisability of inserting the words "The American" on the title page of his books. Sending copies of who of his novels, and looking forward to reading "Savrola".

Letter from G W Steevens, Merton Abbey, Surrey, to WSC, on the proofs of "The River War", and on WSC's election defeat at Oldham [Lancashire].

Letter from Lord Cromer, 12A Curzon Street, London to WSC, on use of photograph of Cromer in The River War, also offering sympathy on election defeat at Oldham.

Letter from Lord Salisbury, Walmer Castle, Kent, to WSC, accepting dedication of "The River War".

Letter from Lord Cromer, Strathmore Lodge, Halkirk, Caithness to WSC, commenting on proofs of The River War.

Letter from Lord Salisbury, Foreign Office, to WSC, on the proofs of The River War. Commenting that he did not agree with him "in all points" but that he was still willing to accept the dedication.

Letter from Lady Randolph Churchill to WSC, on the publication of letters from WSC on the situation on the North West Frontier of India in the Daily Telegraph.

Statement from The Lecture Agency Ltd. - accounts for WSC's British lecture tour, 26 October - 30 November 1900.

WSC's Pass Books for Investment Account with Cox & Co., March-Sept 1921, the books contain extensive notes by WSC on his finances, 1921-23, including details of his Childrens' Trust, his South African investments, Chartwell, estimates of his income and expenditure, and expenses and receipts for The World Crisis [2 items].

Letter from WSC to Lloyds Bank, on his literary income [carbon].

Letter from WSC to Lloyds Bank, on his literary receipts [carbon].

Letter from Nicholl, Manisty & Co. to WSC, on his royalties from The World Crisis, which were to be invested to provide for the education of his daughter, Mary.

Letter from Sir Edward Marsh to Nicholl, Manisty & Co., on the investment of WSC's royalties from The World Crisis, to provide for the education of his daughter, Mary [carbon].

Letter from WSC to Nicholl, Manisty & Co., on principal agreements about The World Crisis [carbon].

Letter from Lord George Hamilton (Fenton, Wooler, Northumberland) to WSC on research for the biography of Lord Randolph Churchill and the break-up of the Unionist party, which he blames on Arthur Balfour [later Lord Balfour] even more than Joseph Chamberlain.

Cutting from Army and Navy Gazette, letter from WSC, replying to letter from "A General Officer" criticising his activities as a journalist while a serving soldier.