Library of Congress >> MARC >> Authority >> 4XX >> 450

450 - See From Tracing-Topical Term (R)

MARC 21 Authority - concise

May 2017

Tracing for a topical term see from reference.

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

See field 150 for descriptions of most content designators.

Indicators

First - Undefined: # - Undefined
Second - Undefined: # - Undefined

Subfield Codes

$a - Topical term or geographic name entry element (NR)

$b - Topical term following geographic name entry element (NR)

$g - Miscellaneous information (R)

$i - Relationship information (R): See Tracings and References

$v - Form subdivision (R)

$w - Control subfield (NR): See Tracings and References; /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): See Tracings and References

$5 - Institution to which field applies (R): See description of this subfield in Appendix A: Control Subfields.

$6 - Linkage (NR): See description of this subfield in Appendix A: Control Subfields.

$8 - Field link and sequence number (R): See description of this subfield in Appendix A: Control Subfields.

Examples

450

##$aEnglish drama$xAfrican authors

450

##$aMusic$y15th century$xTheory

450

##$aExclamations (Linguistics)

Library of Congress >> MARC >> Authority >> 4XX >> 450

(05/17/2017)