Collection search - Instructions for the use of codes and cyphers, cypher security and telegraphic communications with Canadian missions abroad
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Record information – Brief 
Instructions for the use of codes and cyphers, cypher security and telegraphic communications with Canadian missions abroad
Hierarchical level:FileDate:1947/10/11-1954/12/30Reference:RG25-A-3-b, Volume number: 4906, File number: 50117-40, File part: 1=1947/10/11-1950/07/25;2=1950/08/03-1953/07/30;3=1953/08/04-1954/12/30File no. (creator):50117-40Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:1843281Context of this record: -
Record information – Details Date(s):1947/10/11-1954/12/30Place of creation:No place, unknown, or undeterminedLanguage of material:UndeterminedFinding aid no.:Source:GovernmentFormer archival reference no.: -
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