Correspondence on books and articles, mainly material for "The World Crisis": Correspondents include William Tyrrell (Foreign Office); Rear-Admiral Philip Dumas; Brigadier-General James Edmonds; Committee of Imperial Defence (Historical Section) (2); James Headlam-Morley (Foreign Office); Admiral Sir Roger Keyes (2); Christopher Addison; Sir Rupert Howorth (Cabinet Office) and Lord Rosebery;.