Entry Genre/Form Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 1011

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20120515094020.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 120515|||a|||||| | ||| d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

155 ## - HEADING--GENRE/FORM TERM

• Genre/form term:
• : Cryptography
• : Code
• : Secret Writing

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)4190: MARTIN GARDNER 1000, Codes, Ciphers and Secret Writing, 2010-