Entry Topical Term

Number of records used in: 1

000 - LEADER

• fixed length control field: 00497cz 2200193n 4500

000 - LEADER

• fixed length control field: 1

001 - CONTROL NUMBER

• control field: 38110

003 - CONTROL NUMBER IDENTIFIER

• control field: P5A

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20221101135610.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 860211i| anannbab| |b ana |||||

010 ## - LIBRARY OF CONGRESS CONTROL NUMBER

• LC control number: sh 85060043

035 ## - SYSTEM CONTROL NUMBER

• System control number: oca02065116

040 ## - CATALOGING SOURCE

• Original cataloging agency: DLC
• Transcribing agency: DLC
• Modifying agency: DLC

053 ## - LC CLASSIFICATION NUMBER

• Classification number element-single number or beginning number of span: QD181.H4
• Explanatory term: Chemistry

053 ## - LC CLASSIFICATION NUMBER

• Classification number element-single number or beginning number of span: TL666
• Explanatory term: Aeronautics

053 ## - LC CLASSIFICATION NUMBER

• Classification number element-single number or beginning number of span: TP245.H4
• Explanatory term: Chemical technology

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Helium.

681 ## - SUBJECT EXAMPLE TRACING NOTE

• Explanatory text: Example under
• Subject heading or subdivision term: Gases

950 ## -

• : g
• : Gases, Rare

950 ## -

• : g
• : Radioactivity