774 Constituent Unit Entry (R) (Variable Data Field)
Field 774 contains information concerning a constituent unit associated with a larger bibliographic unit (vertical relationship). Constituent units may be part of a single bibliographic item, a multipart item, or a collection. The constituent item may or may not be described in a separate bibliographic record.
When a note is generated from this field, the introductory phrase Constituent unit: may be generated based on the field tag for display.
The National level record requirement for this field is Optional.
Field 774 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 774 |
Constituent Unit Entry |
O |
O |
R |
Indicator: |
|
|
|
|
First |
M |
|
|
|
0 |
A |
|
|
|
1 |
A |
|
|
|
|
|
|
|
|
M |
|
|
||
A |
|
|
||
8 |
A |
|
|
|
|
|
|
|
|
Subfield code: |
|
|
|
|
$a |
A |
O |
NR |
|
$b |
A |
O |
NR |
|
$c |
A |
O |
NR |
|
$d |
O |
O |
NR |
|
$g |
A |
O |
R |
|
$h |
O |
O |
NR |
|
$i |
O |
O |
R |
|
$k |
O |
O |
R |
|
$m |
O |
O |
NR |
|
$n |
O |
O |
R |
|
$o |
O |
O |
R |
|
$r |
A |
O |
R |
|
$s |
A |
O |
NR |
|
$t |
A |
O |
NR |
|
$u |
A |
O |
NR |
|
$w |
A |
O |
R |
|
$x |
A |
O |
NR |
|
$y |
O |
O |
NR |
|
$z |
O |
O |
R |
|
$4 |
O |
O |
R |
|
$6 |
A |
O |
NR |
|
$7 |
O |
O |
NR |
|
|
|
|
|
|
|
/1 - Form of name |
|
|
|
|
/2 - Type of record |
|
|
|
|
/3 - Bibliographic level |
|
|
|
$8 |
O |
O |
R |
See: Example for this field.
Second Indicator - Display constant controller
Value 0 - Includes [obsolete] [CAN/MARC only]
76X-79X Content Designator History
Related MARC fields or documents:
76X-79X Linking Entry Fields - General Information
Definitions of Terms (Terms used in Linking Entry fields)
Record Links and Notes (Record-linking technique in MARC)
RDA in MARC Bibliographic Data
See also: