773 Host Item Entry

Field definition and scope:

Field 773 contains information concerning the host item for the constituent unit described in the record (vertical relationship).

This field is provided in order to enable the user to locate the physical piece that contains the component part or subunit being described. Thus, only those data elements required to assist in the identification of the host item need to be included in the field, such as links to the bibliographic record describing the item and/or descriptive data that identify the host item. In the case of host items that are serial or multi-volume in nature, information in subfields $g or $q is necessary to point to the exact location of the component part within the bibliographic item.

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

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

Field 773 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 773	Host Item Entry	A	A	R
Indicator:
First	Note controller	M
0	Display note	A
1	Do not display note	A

Second	Display constant controller	M
#	In	A
8	No display constant generated	A

Subfield code:
$a	Main entry heading	A	A	NR
$b	Edition	A	A	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
$p	Abbreviated title	O	O	NR
$q	Enumeration and first page	O	O	NR
$r	Report number	A	A	R
$s	Uniform title	A	A	NR
$t	Title	A	A	NR
$u	Standard Technical Report Number	A	A	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	O	O	R
$3	Materials specified	O	O	NR
$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

See: Examples for this field.

Input conventions:

Display constant

76X-79X Input Conventions

Content designator history:

Subfield $q - Enumeration and first page [new, 2003]

76X-79X Content Designator History