Related Term (RT)
|Mandatory||Repeatable||Data Type||Authority||Public Element|
|No||Yes||Variable Character Length (700)||Topical Subject Thesaurus, Geographic Reference Thesaurus, Specific Records Type Thesaurus, and Program Area Thesaurus||Yes|
An authorized, preferred heading that is related in definition and scope, but not broader or narrower.
Supports relationships between or among headings in a controlled vocabulary.
Supports the primary purpose of vocabulary control to achieve consistency in description and to facilitate retrieval of related concepts.
For cataloging related term reference headings, see the Subject Cataloging Manual: Subject Headings (Library of Congress).