Library of Congress >> MARC >> Authority >> 5XX >> 581

581 - See Also From Tracing-Geographic Subdivision (R)

MARC 21 Authority - Full

October 1999

First Indicator
Undefined
# - Undefined

Second Indicator
Undefined
# - Undefined


Subfield Codes
$i - Reference instruction phrase (NR) $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 - Record control number (R) $5 - Institution to which field applies (R) $6 - Linkage (NR) $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Tracing for a geographic 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 geographic subdivision to a related established heading.

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Most of the content designators defined for field 581 are the same as those defined for field 181 (Heading-Geographic Subdivision), field 481 (See From Tracing-Geographic Subdivision), and field 781 (Subdivision Heading Linking Entry-Geographic Subdivision). Description, guidelines, and input conventions for shared content designators are given in the X81 Geographic Subdivisions-General Information section.

Guidelines for applying the subfield $w (Control subfield) and subfield $i (Reference instruction phrase) in field 581 are given in the Tracings and References-General Information section.

CONTENT DESIGNATOR HISTORY

$3 - Authority record control number [OBSOLETE] [CAN/MARC only]

Library of Congress >> MARC >> Authority >> 5XX >> 581

(03/06/2008)