Entry Topical Term

Number of records used in: 2

001 - CONTROL NUMBER

• control field: 17201

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20210601121142.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 210601|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Electronic mail systems

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)0: Schneier, Bruce, 1963- 17200, E-mail security :, c1995.