Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 52456

003 - CONTROL NUMBER IDENTIFIER

• control field: MaObMVR

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250904223244.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250904|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: MaObMVR
• Transcribing agency: MaObMVR

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name as entry element: DDT (Insecticide)
• General subdivision: Pro and Con

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (MaObMVR)120646: AMERICAN HERITAGE OF INVENTION AND TECHNOLOGY./, WINTER 2000.