MARC 21 Format for Authority Data: 730: Established Heading Linking Entry-Uniform Title (Network Development and MARC Standards Office, Library of Congress)

730 - Established Heading Linking Entry-Uniform Title (R)

MARC 21 Authority - full

December 2017

First Indicator	Second Indicator
Undefined # - Undefined	Thesaurus 0 - Library of Congress Subject Headings 1 - LC subject headings for children's literature 2 - Medical Subject Headings 3 - National Agricultural Library subject authority file 4 - Source not specified 5 - Canadian Subject Headings 6 - Répertoire de vedettes-matière 7 - Source specified in subfield $2

First Indicator

Second Indicator

Undefined
# - Undefined

Thesaurus
0 - Library of Congress Subject Headings
1 - LC subject headings for children's literature
2 - Medical Subject Headings
3 - National Agricultural Library subject authority file
4 - Source not specified
5 - Canadian Subject Headings
6 - Répertoire de vedettes-matière
7 - Source specified in subfield $2


Subfield Codes
$a - Uniform title (NR) $d - Date of treaty signing (R) $f - Date of a work (NR) $g - Miscellaneous information (R) $h - Medium (NR) $i - Relationship information (R) $k - Form subheading (R) $l - Language of a work (NR) $m - Medium of performance for music (R) $n - Number of part/section of a work (R) $o - Arranged statement for music (NR) $p - Name of part/section of a work (R) $r - Key for music (NR) $s - Version (R)	$t - Title of a work (NR) $v - Form subdivision (R) $w - Control subfield (NR) /0 - Link display /1 - Replacement complexity $x - General subdivision (R) $y - Chronological subdivision (R) $z - Geographic subdivision (R) $0 - Authority record control number or standard number (R) $1 - Real World Object URI (R) $2 - Source of heading or term (NR) $4 - Relationship (R) $5 - Institution to which field applies (R) $6 - Linkage (NR) $8 - Field link and sequence number (R)

Subfield Codes

$a - Uniform title (NR)
$d - Date of treaty signing (R)
$f - Date of a work (NR)
$g - Miscellaneous information (R)
$h - Medium (NR)
$i - Relationship information (R)
$k - Form subheading (R)
$l - Language of a work (NR)
$m - Medium of performance for music (R)
$n - Number of part/section of a work (R)
$o - Arranged statement for music (NR)
$p - Name of part/section of a work (R)
$r - Key for music (NR)
$s - Version (R)

$t - Title of a work (NR)
$v - Form subdivision (R)
$w - Control subfield (NR)
/0 - Link display
/1 - Replacement complexity
$x - General subdivision (R)
$y - Chronological subdivision (R)
$z - Geographic subdivision (R)
$0 - Authority record control number or standard number (R)
$1 - Real World Object URI (R)
$2 - Source of heading or term (NR)
$4 - Relationship (R)
$5 - Institution to which field applies (R)
$6 - Linkage (NR)
$8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Uniform title that is equivalent to the title contained in the 130 field of the same record. It links equivalent headings within a system or from different thesauri or authority files.

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Most of the content designators defined for field 730 are the same as those defined for field 130 (Heading-Uniform Title), field 430 (See From Tracing-Uniform Title), and field 530 (See Also From Tracing-Uniform Title). Description, guidelines, and input conventions for shared content designators are given in the X30 Uniform Titles-General Information section.

Guidelines for applying the second indicator, subfield $w (Control subfield), $2 (Source of heading or term), subfield $i (Relationship information), and subfield $4 (Relationship) in field 730 are given in the 7XX Heading Linking Entries-General Information section.

■ EXAMPLES

Equivalent uniform title in a multilingual thesaurus:

008/09	a [established heading record]
130	#0$aBible.$pO.T. [LAC English heading]
730	#5$wa$aBible.$pA.T.$0(CaOONL)0004E5217F# [Corresponding LAC French heading]

(12/18/2017)