| 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 |
| Definition: |
An authorized, preferred heading that is broader in definition and scope. |
| Purpose: |
Supports the hierarchical relationship between or among headings in a controlled vocabulary. |
| Relationship: | This element is dependent on Topical Subject, Geographic Reference, Specific Records Type, or Program Area. To have a Broader Term (BT), one of these authority headings must be created and it must be a preferred authority record. |
| Guidance: |
For cataloging broader term reference headings, see the Subject Cataloging Manual: Subject Headings (Library of Congress). |
| Examples: |
|
Previous Element
Next Element
Table of Contents
Lifecycle Data Requirements Guide