Papers Royal Naval Staff College, Greenwich.
Royal Naval Staff College, Greenwich, 1924-5, Papers of Sir Thomas Hope Troubridge (1895- 1949), Student and Staff Officer, Operations: Atlantic Fleet, syllabus to naval lecture, 'European Navies', Essay 'Peoples and Territories of the Danube Region' by Sir Thomas Hope Troubridge, Lieutenant- Commander, 1925 , syllabus to naval lecture 'Vital of Europe' by Major Sinclair.