Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 74564

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20191028105344.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 051011|| azannbab| un and |u

035 ## - SYSTEM CONTROL NUMBER

• System control number: 322065

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Telecommunication
• Geographic subdivision: United States
• General subdivision: History
• Chronological subdivision: 20th century.