658 Index Term - Curriculum Objective (R) (Variable Data Field)
Field 658 contains index terms denoting curriculum or course-of-study objectives applicable to the contents of the described materials. The field may also contain correlation factors indicating the degree to which the described materials meet an objective. Codes assigned to specific objectives in published lists are also recorded in this field.
Curriculum objectives, curriculum codes, and correlation factors recorded in this field come from standard published lists and the list is identified in subfield $2 (Source of term or code) .
The National level record requirement for this field is Optional.
Field 658 is repeatable .
Guidelines for applying content designators:
For indicator and subfield code definitions and examples, National-level (NLR) and Minimal-level (MLR) record requirements , and designator repeatability , see table below:
| Position | Description |
NLR |
MLR |
Repeatability |
| Field 658 | Index Term - Curriculum Objective |
O |
O |
R |
| Indicator: | ||||
| First | Undefined; contains a blank |
M |
||
| Second | Undefined; contains a blank |
M |
||
| Subfield code: | ||||
| $a | Main curriculum objective |
M |
O |
NR |
| $b | Subordinate curriculum objective |
A |
O |
R |
| $c | Curriculum code |
A |
O |
NR |
| $d | Correlation factor |
A |
O |
NR |
| $2 | Source of term or code |
M |
O |
NR |
| $6 | Linkage |
A |
O |
NR |
| $8 | Field link and sequence number |
O |
O |
R |
Related MARC fields or documents:
880 Alternate Graphic Representation
MARC Code List for Relators, Sources, Description Conventions
See also: