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Item

Appendix D: Istanbul (see HW 15/15 for message texts)

Catalogue reference: HW 15/60/4

What’s it about?

This record is about the Appendix D: Istanbul (see HW 15/15 for message texts) dating from 1940-1948 in the series Government Code and Cypher School and Government Communications Headquarters: Venona.... It is held at The National Archives, Kew.

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Full description and record details

Reference
HW 15/60/4
Date
1940-1948
Description

Appendix D: Istanbul (see HW 15/15 for message texts)

Held by
The National Archives, Kew
Legal status
Public Record(s)
Access conditions
Retained Until 2002
Closure status
Open Document, Open Description
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C8925173/

Series information

HW 15

Government Code and Cypher School and Government Communications Headquarters: Venona...

See the series level description for more information about this record.

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Catalogue hierarchy

Over 27 million records

This record is held at The National Archives, Kew

17,110 records

Within the department: HW

Records created or inherited by Government Communications Headquarters (GCHQ)

3,327 records

Within the series: HW 15

Government Code and Cypher School and Government Communications Headquarters: Venona...

15 records

Within the piece: HW 15/60

List of covernames used in MGB (Soviet Ministry of State Security) traffic. (Described...

You are currently looking at the item: HW 15/60/4

Appendix D: Istanbul (see HW 15/15 for message texts)

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