Library of Congress >> MARC >> Authority >> 5XX  >> 548

548 - See Also From Tracing-Chronological Term (R)


MARC 21 Authority - full
July 2022

First Indicator Second Indicator
Undefined
# - Undefined

Undefined
# - Undefined


Subfield Codes
  • $a - Chronological term (NR)
  • $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)
  • $7 - Data provenance (R)
  • $8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Tracing for a chronological term see also from reference.

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


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Most of the content designators defined for field 548 are the same as those defined for field 148 (Heading-Chronological Term), field 448 (See From Tracing-Chronological Term), and field 748 (Established Heading Linking Entry-Chronological Term). Description, guidelines, and input conventions for shared content designators are given in the X48 Chronological Terms-General Information section.

Guidelines for applying the subfield $w (Control subfield), subfield $i (Relationship information), and subfield $4 (Relationship) in field 548 are given in the Tracings and References-General Information section.

EXAMPLES

148 ##$a1710-1717
548 ##$a1700-1799
148 ##$a1863
548 ##$a1800-1899

Library of Congress >> MARC >> Authority >> 5XX  >> 548
(07/07/2022)
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