| LC control no. | sh 85066157 |
|---|---|
| LC classification | ZA3150 ZA3159 |
| Topical heading | Information services |
| Variant(s) | Data collection services Information brokers Information centers Information science service organizations Information service providers Providers of information services |
| See also | subdivision Information services under names of countries, cities, etc., individual persons, and corporate bodies, and under classes of persons, ethnic groups, military services, and topical headings Information retrieval Information science Documentation Research |
| Scope note | 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 Information resources. Works on sources of information in a specific format or medium are entered under the heading for the format or medium. |
| Subject example tracing | Note under Information resources |
| Found in | The Burwell directory of information brokers, c1991. LC database, Aug. 26, 1996 (Information service providers) |
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