| LC control no. | sh 85109085 |
|---|---|
| Topical heading | Punched card systems |
| Variant(s) | Codes for punched card systems Data processing Perforated card systems Punch-card systems Punched card systems--Business |
| See also | Card system in business Computer input-output equipment Computer storage devices Indexing Information storage and retrieval systems Information theory Tabulating machines |
| Scope note | This heading may be further subdivided by subject, e.g. Punched card systems--Chemistry. |
| Found in | Foster, A. Reviewing the Department of Social and Rehabilitation Services' efforts to computerize alcohol and drug abuse treatment information, 1995: cover (State of Kansas) Maine. Legislature. Joint Standing Committee on State Government. Organization of state data processing, 1974. |
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