Entry Topical Term
001 - CONTROL NUMBER
- control field: 843
003 - CONTROL NUMBER IDENTIFIER
- control field: PMNP
005 - DATE AND TIME OF LATEST TRANSACTION
- control field: 20230321102155.0
008 - FIXED-LENGTH DATA ELEMENTS
- fixed length control field: 230321|| aca||babn | a|a d
010 ## - LIBRARY OF CONGRESS CONTROL NUMBER
- LC control number: sh 85066157
040 ## - CATALOGING SOURCE
- Original cataloging agency: PMNP
053 #0 - LC CLASSIFICATION NUMBER
- Classification number element-single number or beginning number of span: ZA3150
- Classification number element-ending number of span: ZA3159
150 ## - HEADING--TOPICAL TERM
- Topical term or geographic name entry element: Information services
360 ## - COMPLEX SEE ALSO REFERENCE--SUBJECT
- Explanatory text: subdivision
- Heading referred to: Information services
- Explanatory text: under names of countries, cities, etc., individual persons, and corporate bodies, and under classes of persons, ethnic groups, military services, and topical headings
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Data collection services
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Information brokers
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Information centers
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Information science service organizations
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Information service providers
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Providers of information services
550 ## - SEE ALSO FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Information retrieval
- Control subfield: g
550 ## - SEE ALSO FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Information science
550 ## - SEE ALSO FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Documentation
550 ## - SEE ALSO FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Research
680 ## - PUBLIC GENERAL NOTE
- Explanatory text: Here are entered works on organizations that provide information services. Works on sources of information in general, not limited to a specific format or medium, including works that list organizations other than information services as sources of information, are entered under
- Heading or subdivision term: Information resources.
- Explanatory text: Works on sources of information in a specific format or medium are entered under the heading for the format or medium.
681 ## - SUBJECT EXAMPLE TRACING NOTE
- Explanatory text: Note under
- Subject heading or subdivision term: Information resources