Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 5169

003 - CONTROL NUMBER IDENTIFIER

• control field: ARRUPE

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20131205120218.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 131205|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: ARRUPE
• Transcribing agency: ARRUPE

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name as entry element: Great Britain. Government Communications Headquarters - History; World War 1939-1945 - Cryptography; World War 1939-1945 - Electronic intelligence - Great Britain; Bletchley Park (Milton Keynes, England) - History

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (ARRUPE): Mckay, Sinclair 5168, The Secret life of Bletchley Park, 2010