Correspondents include: Brigadier-General Algernon Ferguson (6); Lieutenant-Colonel Algernon Stanley (5); Colonel Sir Arthur Davidson; Sir George Arthur; 10th Lord Drogheda [earlier Henry Moore]; Captain Miles Graham; Colonel Weston Jarvis; Anne, Duchess of Roxburghe [earlier Lady Anne Churchill] (2); Jack Scott [Air Secretary and Private Secretary to WSC]; Colonel Hugh Sinclair.Also includes copy letters from Sinclair to some of those mentioned above and to Major-General Sir William Birkbeck [Director of Remounts at Army Headquarters] and Colonel George Monckton-Arundell [later 8th Lord Galway]; copies of testimonials for Lionel Popkiss from individuals including Lieutenant-Colonel 13th Lord Home [earlier Charles Douglas-Home], Lieutenant-Colonel Lord George Scott, and Brigadier-General Cyril Crofton.Subjects include: requests for Sinclair's assistance with appointments and honours.Also includes calling cards from various individuals, including prominent "white" Russians.