Collection search - Intelligence: other than summaries or reports: prevention of espionage and leakage of information - Duties, instructions for - Information obtained from reliable sources, re. devices used by the Germans to obtain identification, viz
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Record information – Brief 
Intelligence: other than summaries or reports: prevention of espionage and leakage of information - Duties, instructions for - Information obtained from reliable sources, re. devices used by the Germans to obtain identification, viz
Hierarchical level:FileDate:1915/12-1917/01Reference:RG 9 III-C-3, Volume number: 4039, File number: Folder 11, file 7, File part: 11.7File no. (creator):Folder 11, file 7Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:4217159Context of this record: -
Record information – Details Date(s):1915/12-1917/01Place of creation:No place, unknown, or undeterminedLanguage of material:EnglishFinding aid no.:Source:GovernmentFormer archival reference no.: -
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