MARC 21 Format for Authority Data: 710: Established Heading Linking Entry-Corporate Name (Network Development and MARC Standards Office, Library of Congress)

710 - Established Heading Linking Entry-Corporate Name (R)

MARC 21 Authority - full

December 2017

First Indicator	Second Indicator
Type of corporate name entry element 0 - Inverted name 1 - Jurisdiction name 2 - Name in direct order	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

Type of corporate name entry element
0 - Inverted name
1 - Jurisdiction name
2 - Name in direct order

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 - Corporate name or jurisdiction name as entry element (NR) $b - Subordinate unit (R) $c - Location of meeting (R) $d - Date of meeting or treaty signing (R) $e - Relator term (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/meeting (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 - Corporate name or jurisdiction name as entry element (NR)
$b - Subordinate unit (R)
$c - Location of meeting (R)
$d - Date of meeting or treaty signing (R)
$e - Relator term (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/meeting (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

Corporate name that is equivalent to the name contained in the 110 field of the same record. It links headings within a system or from different thesauri or authority files.

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Most of the content designators defined for field 710 are the same as those defined for field 110 (Heading-Corporate Name), field 410 (See From Tracing-Corporate Name), and field 510 (See Also From Tracing-Corporate Name). Description, guidelines, and input conventions for shared content designators are given in the X10 Corporate Names-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 710 are given in the 7XX Heading Linking Entries-General Information section.

■ EXAMPLES

Equivalent corporate names from different thesauri:

008/09	a [established heading record]
110	2#$aRoyal Society of Medicine (Great Britain) [Library of Congress heading]
710	27$wa$aRoyal Society of Medicine$2 [source code] [British Library heading]

Equivalent corporate names in a multilingual thesaurus:

008/09	a [established heading record]
110	2#$aGalerie nationale du Canada [LAC French heading]
710	25$wa$aNational Gallery of Canada$0(CaOONL)0000J0193E# [Corresponding LAC English heading]

(12/18/2017)