Browse Items (83 total)
- Collection: CDSG
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Chairman CRC to Chairman, London Signal Intelligence Board with cover note from J. Black, 4 March 1950
Library and Archives Canada 04-Mar-50
Communications Requirements for Signals Intelligence, 4 May 1946
Library and Archives Canada 04-May-46
Copy of GCCS Director Travis to USSEA Robertson, 5 January 1946
Library and Archives Canada 05-Jan-46
CRC Chairman Crean to Colonel Lockhart, Director of Signals (Army), Wing Commander E.A.D. Hutton, Director of Signals (Air Force) and Mr. E. Drake, Director, Communications Branch National Research Council, Draft Letter to Brigadier R. Gambier-Perry, Director of Communications Branch, UK Foreign Office, 8 July 1949
Library and Archives Canada 08-Jul-49
Cypher No. 166 USSEA Robertson to Wrong (London), 21 January 1946
Library and Archives Canada 21-Jan-46
Cypher No. 230 Wrong (London) to USSEA Robertson, 25 January 1946
Library and Archives Canada 25-Jan-46
Cypher No. 265 Wrong (London) to USSEA Robertson, 30 January 1946
Library and Archives Canada 30-Jan-46
Cypher No. 276 USSEA Robertson to Wrong (London), 31 January 1946
Library and Archives Canada 31-Jan-46
Cypher No. 290 USSEA Robertson to Wrong (London), 2 February 1946
Library and Archives Canada 02-Feb-46
