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How To Handle Subject HeadingsSubject headings are among the most important access points for users seeking information about your collection. OPAC searches rely on the heading and keyword indexes, whose content is in turn controlled by the proper use of MARC field tags, subfield tags and indicators. It is imperative that Minerva libraries follow standard practices in working with subject headings, as set forth below.
What follows are the highlights of good practice within the system. Further details are available from the Library of Congress MARC cataloging site
Topical subject headings are placed in 650, geographical in 651, personal name in 600, corporate name in 610.
The second indicator position in a 6xx field refers to the thesaurus from which the subject heading is drawn. The value entered here determines whether the subject heading is indexed for a regular subject search or a medical subject search. The most common values and important values here are:
0 Library of Congress Subject Heading
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