ID25, Intelligence Division of Naval Staff, 1917-
Found in 1 Collection or Record:
This collection consists of letters and accounts of Denniston's code-breaking work in Naval Intelligence in both World Wars and of the setting up of Room 40. There are several photographs of Denniston in Naval uniform and some of the Royal Naval College at Osborne.
The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.