Found in 29 Collections and/or Records:
Board of Inventions and Research: "Report of proceedings to Dec. 1918. Minutes of General meetings, Central Committee and panel, Section 1", 1915 - 1918
"Second World War papers", including material relating to anti-aircraft defence, 1935-61, 1935 - 1961
The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.