USMARC format for classification data : including guidelines for content designation (1991)
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- Abstract
- Format specifications for the communication of MARC classification records, which may be used in online public catalog retrieval systems, in systems to maintain and develop classification schedules, and in online systems for library classifiers. Defines the codes and conventions (tags, indicators, subfield codes, and codes values) that identify the data elements in the records. Developed to support the 2 major US classification schemes: Library of Congress Classification and Dewey Decimal Classification, but also lets you communicate other classification schemes. Includes a glossary of classification terms and full record examples of LCC, DDC, NLM classification and UDC
