Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 33533

003 - CONTROL NUMBER IDENTIFIER

• control field:

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20190113103628.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 190113|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency:
• Transcribing agency:

150 ## - HEADING--TOPICAL TERM

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

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (): Vaillant, Derek, author. 28238, Across the waves :