780 Preceding Entry

Field definition and scope:

Field 780 contains information concerning the immediate predecessor of the target item (chronological relationship). If there is more than one predecessor entry, field 780 is repeated.

When a note is generated from this field, the introductory term or phrase may be generated based on the value in the second indicator position for display.

The National level record requirement for this field is Mandatory if applicable.

Field 780 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 780	Preceding Entry	A	A	R
Indicator:
First	Note controller	M
0	Display note	A
1	Do not display note	A

Second	Type of relationship	M
0	Continues	A
1	Continues in part	A
2	Supersedes	A
3	Supersedes in part	A
4	Formed by the union of ... and ...	A
5	Absorbed	A
6	Absorbed in part	A
7	Separated from	A

Subfield code:
$a	Main entry heading	A	A	NR
$b	Edition	A	A	NR
$c	Qualifying information	A	O	NR
$d	Place, publisher, and date of publication	O	O	NR
$g	Related parts	A	O	R
$h	Physical description	O	O	NR
$i	Relationship information	O	O	R
$k	Series data for related item	O	O	R
$m	Material-specific details	O	O	NR
$n	Note	O	O	R
$o	Other item identifier	O	O	R
$r	Report number	A	O	R
$s	Uniform title	A	A	NR
$t	Title	A	A	NR
$u	Standard Technical Report Number	A	O	NR
$w	Record control number	A	O	R
$x	International Standard Serial Number	A	A	NR
$y	CODEN designation	O	O	NR
$z	International Standard Book Number	A	O	R
$4	Relationship	O	O	R
$6	Linkage	A	A	NR
$7	Control subfield	O	O	NR
	/0 - Type of main entry heading
	/1 - Form of name
	/2 - Type of record
	/3 - Bibliographic level
$8	Field link and sequence number	O	O	R

Input conventions:

Display constants

76X-79X Input Conventions

Content designator history:

Second Indicator - Type of relationship

Value 7 - Separated from (SE) [defined]

Prior to the definition of code 7 in 1980, separated from and continues in part information were both identified by code 1 (Continues in part).

76X-79X Content Designator History