MARC 21 Format for Authority Data: 447: See From Tracing-Named Event (Network Development and MARC Standards Office, Library of Congress)

447 - See From Tracing-Named Event (R)

MARC 21 Authority - full

May 2017

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

First Indicator

Second Indicator

Undefined
# - Undefined


Subfield Codes
$a - Named event (NR) $c - Location of named event (R) $d - Date of named event (NR) $g - Miscellaneous information (R) $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) $4 - Relationship (R) $5 - Institution to which field applies (R) $6 - Linkage (NR) $8 - Field link and sequence number (R)

Subfield Codes

$a - Named event (NR)
$c - Location of named event (R)
$d - Date of named event (NR)
$g - Miscellaneous information (R)
$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)
$4 - Relationship (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 named event see from reference.

Used in an established heading or established heading and subdivision record to trace a see from reference from a named event not used in an established heading.

GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Most of the content designators defined for field 447 are the same as those defined for field 147 (Heading-Named Event), field 547 (See Also From Tracing-Named Event), and field 747 (Established Heading Linking Entry-Named Event). Description, guidelines, and input conventions for shared content designators are given in the X47 Named Events-General Information section.

Guidelines for using subfield $w (Control subfield), subfield $i (Relationship information), and subfield $4 (Relationship) in field 447 are given in the Tracings and References-General Information section.

■ EXAMPLES

447	##$aBreed's Hill, Battle of$c(Boston, Massachusetts :$d1775)
447	##$aPotato famine$c(Ireland :$d1845-1852)
447	##$aSubprime Mortgage Crisis$d(2008-2009)
447	##$aSylmar Earthquake$c(California :$d1971)

CONTENT DESIGNATOR HISTORY

Field 447 - See From Tracing-Named Event [NEW, 2016]

(05/17/2017)