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, précis to naval lecture 'The Constitution of the United States of America' by Lieutenant- Commander P W Nelles, RCN, syllabus to naval lecture 'Vitals of USA', précis to naval lecture 'Naval Strategy in the Event of the War with USA' by Captain Congdon.