786 Data Source Entry

Field definition and scope:

Field 786 contains information pertaining to a data source to which the described item is related. It may contain information about other files, printed sources, or collection procedures.

When a note is generated from this field, the introductory phrase Data source: may be generated based on the field tag for display.

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

Field 786 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 786	Data Source Entry	A	O	R
Indicator:
First	Note controller	M
0	Display note	A
1	Do not display note	A

Second	Display constant controller	M
#	Data source	A
8	No display constant generated	A

Subfield code:
$a	Main entry heading	A	O	NR
$b	Edition	A	O	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
$j	Period of content	O	O	NR
$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
$p	Abbreviated title	O	O	NR
$r	Report number	A	O	R
$s	Uniform title	A	O	NR
$t	Title	A	O	NR
$u	Standard Technical Report Number	O	O	NR
$v	Source contribution	A	O	NR
$w	Record control number	A	O	R
$x	International Standard Serial Number	A	O	NR
$y	CODEN designation	O	O	NR
$z	International Standard Book Number	O	O	R
$4	Relationship	O	O	R
$6	Linkage	A	O	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

See: Example for this field.

Input conventions:

Display constant

76X-79X Input Conventions

Content designator history:

76X-79X Content Designator History