Correspondents include: "Sunny", Lord Blandford [later 11th Duke of Marlborough]; Sarah Churchill [later Sarah Crewe]; John G Churchill; CSC (7); Roger Frewen (2); Winston Guest (2); "Kitty", Lady Katherine Lambton; Mary, Duchess of Marlborough [earlier Mary, Lady Blandford] (3); Charles Rhys [later 8th Lord Dynevor]; Hope Rhys [later Hope, Lady Dynevor]; Giles Romilly; Clare Sheridan (3); [?] Patrick Mayhew, Secretary, Oxford University Conservative Association; Diana Sandys [earlier Diana Churchill, later Diana Bailey]; Christopher Soames, on Chartwell Farm [Kent] and racing; Diana, Comtesse de la Valdene, earlier Diana Guest, on exhibiting one of WSC's paintings (2); Amherst Villiers (3); Winston Churchill (2).Other subjects include: WSC's writing ["The Second World War"]; WSC's poodle, Rufus.Also includes: a Christmas card, and a telegram on the death of Lady Randolph Churchill, (1921) from Queen Alexandra [earlier Alexandra, Princess of Wales].