The National Archives, 1950. 1. Transmission Security - Approved Line Circuits; 2. Security of Classified Documents; 3. Procedure for Obtaining Information and Certain Facilities from the French Authorities; 4. Security in a Certain Country; 5.; 6. Transmission of N.A.T.O. Information by Wireless Channels; 7. Request to Trinity House by German Ministry of Transport to Visit Radar Installations in This Country; 8. Air, Coast and Seaward Defence Information for N.A.T.O.; 9. Visits of Soviet Scientists to the United Kingdom; 10. Standing Group Security Co-ordinating Committee.
United Kingdom.
Retrieved from
https://history-commons.net/artifacts/2544725/1/3567200/ on 27 Apr 2024. CID: 20.500.12592/nm636z.