Letter from CSC, Hotel Mont-Fleury, Cannes, France, to WSC, on success in Cannes tennis tournament, and on her decision to tell her mother and Venetia Montagu about her pregnancy, also on building work at 2 Sussex Square, and account of conversation with Lord Derby on Lord and Lady Curzon, describing Curzon as a "fat sneak".

Letter from CSC to WSC, on the possibility of buying a house at Frinton; the imminent arrival of the new "kitten" [Mary Churchill, later Lady Soames] and WSC's stay in France.

Letter from CSC to WSC, on WSC's stay in France; French politics and the death of Arthur Griffith and its effect on Irish politics.

Letter from CSC to WSC, on the possibility of buying a house in Frinton, and on Diana and Randolph's booby prize in the Frinton tennis tournament.

Letter and telegram from CSC to WSC, wedding anniversary greetings; on the possibility of buying a county house, with account of visit to her aunt, Mary Hozier.

Letter from CSC to WSC, on the election campaign in Dundee.

Letter from CSC to WSC, domestic and family news. Typescript transcript at CHAR 1/118B/26-27.

Letter from CSC to WSC, domestic and family news. Typescript transcript at CHAR 1/118B/34.

Letter from CSC to WSC, domestic and family news. Typescript transcript at CHAR 1/118B/35.

Letter from CSC to WSC, on the possibility of him returning to the Cabinet as Air Minister, also news of children, Diana and Sarah. Typescript transcript at CHAR 1/118B/59-60.

Letter from CSC to WSC, news of children, Diana and Randolph, "such delicious beings" Typescript transcript at CHAR 1/118B/63.

Letter from CSC to WSC, on her stay at Walmer Castle; the death of Lord Ridley, with news of children and her munitions work. Typescript transcript at CHAR 1/118B/70-72.

Letter from CSC to WSC, domestic news. Typescript transcript at CHAR 1/118B/76-77.

Letter from CSC to WSC, domestic news. Typescript transcript at CHAR 1/118B/103-104.

Letter from CSC to WSC, domestic news. Typescript transcript at CHAR 1/118B/133.

Letter from George Cornwallis West, Broughton Castle, Banbury, to WSC, on his marriage to Lady Randolph Churchill, thanking him for the sympathy and kindness shown by the Churchill family "I only wish that by family could have taken a leaf out of your book". Stating that he would never come between WSC and his mother.

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, 35a Great Cumberland Place, to WSC, on family finances.

WSC's history notebook, [from ?Harrow School] containing notes on: The War of the Spanish Succession, with accounts and maps of the First Duke of Marlborough's campaigns, The Literature of Queen Anne's Reign, The Darien Scheme, Scotch Affairs, 1702-1714, The Fortunes of Parties, 1702-1714, The Reign of George I, The Reign of George II.

Letter from Frances, Duchess of Marlborough, 50 Grosvenor Square, London, to WSC, granting him an allowance of £20 per month.

Letter from Lady Randolph Churchill, 2 Connaught Place, to WSC, asking for letter "I suppose when yr exchequer is at a low ebb I shall have the pleasure of hearing from you".

Letter from Lady Randolph Churchill, 2 Connaught Place, London, to WSC, on his "very bad" school report from Harrow Describing his work as an "insult to his intelligence", and contrasting him to his brother Jack "who comes out at the head of his class every week".

Letter from Lady Randolph Churchill, 21 Connaught Place, London to WSC, apologies for not being able to visit him at Harrow, also commenting that she was hoping to get Lord Randolph Churchill to "sacrifice that terrible beard", without success.

Letter from Lady Randolph Churchill, 2 Connaught Place, London, to WSC, on the illness of Leonard Jerome, [WSC's grandfather].

Letter from Lady Randolph Churchill, 2 Connaught Place, London, to WSC, on the illness of Leonard Jerome.