758 Resource Identifier (R) (Variable Data Field)
Field 758 contains an identifier for a resource that is either the resource described in the bibliographic record or a resource to which it is related. Resources thus identified may include, but are not limited to, FRBR works, expressions, manifestations, and items.
The field does not prescribe a particular content standard or data model.
Field 758 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 758 |
Resource Identifier |
|
|
R |
Indicator: |
|
|
|
|
First |
Undefined; contains a blank |
M |
|
|
Second |
Undefined; contains a blank |
M |
|
|
|
|
|
|
|
Subfield code: |
|
|
|
|
$a |
|
|
NR |
|
$i |
|
|
R |
|
$0 |
O |
O |
R |
|
$1 |
|
|
R |
|
$2 |
|
|
NR |
|
$3 |
|
|
NR |
|
$4 |
|
|
R |
|
$5 |
|
|
NR |
|
$6 |
|
|
NR |
|
$8 |
|
|
R |
Field 758 - Resource Identifier [new, 2017]
Subfield $2 - Source of heading or term [new, 2019]
See also: