MARC 21 Format for Authority Data: 580: See Also From Tracing-General Subdivision (Network Development and MARC Standards Office, Library of Congress)

First Indicator	Second Indicator
Undefined # - Undefined	Undefined # - Undefined


Subfield Codes
$i - Relationship information (R) $v - Form subdivision (R) $w - Control subfield (NR) /0 - Special relationship /1 - Tracing use restriction /2 - Earlier form of heading /3 - Reference display $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) $4 - Relationship (R) $5 - Institution to which field applies (R) $6 - Linkage (NR) $8 - Field link and sequence number (R)

Tracing for a general subdivision see also from reference.

Used in an established heading or established heading and subdivision record to trace a see also from reference from an authorized general subdivision to a related established heading.

Most of the content designators defined for field 580 are the same as those defined for field 180 (Heading-General Subdivision), field 480 (See From Tracing-General Subdivision), and field 780 (Subdivision Heading Linking Entry-General Subdivision). Description, guidelines, and input conventions for shared content designators are given in the X80 General Subdivisions-General Information section.

Guidelines for applying the subfield $w (Control subfield), subfield $i (Relationship information), and subfield $4 (Relationship) in field 580 are given in the Tracings and References-General Information section.

■ EXAMPLES

180	##$xMonuments
580	##$xShrines

180	##$xOfficials and employees$xFurloughs
580	##$xOfficials and employees$xLeave regulations

580 - See Also From Tracing-General Subdivision (R)

FIELD DEFINITION AND SCOPE

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

■ EXAMPLES