Library of Congress >> MARC >> Classification >> Tracings and References >> 553

553 - Valid Number Tracing (R)


MARC 21 Classification - Full
October 2008

First Indicator
Source of classification number
0 - Schedule
1 - Table

Second Indicator
Undefined
# - Undefined


Subfield Codes
$a - Classification number--single number or beginning number of span (R)
$c - Classification number--ending number of span (R)
$h - Caption hierarchy (R)
$i - Reference instruction phrase (NR)
$j - Caption (NR)
$k - Summary number span caption hierarchy (R)
$t - Topic (NR)
$w - Control subfield (NR)
    /0 - Special relationship
    /1 - Hierarchical relationship
    /2 - Reference display
    /3 - History reference
$y - Table sequence number for internal subarrangement or add table (R)
$z - Table identification (R)
$6 - Linkage (NR)
$8 - Field link and sequence number (R)

FIELD DEFINITION AND SCOPE

Tracing for a cross reference from one valid classification number to another valid classification number. If the classification number in the tracing is valid for some topics but invalid for others, this field is used, and the topics that refer to another number are specified in subfield $t (Topic).

Used in a record for a valid or partially valid classification number (008/08, Classification validity, code a, b or c). The content designators used in the classification number and caption portions of field 553 are the same as those defined for fields 153 (Classification Number) and 453 (Invalid Number Tracing).


GUIDELINES FOR APPLYING CONTENT DESIGNATORS

Guidelines for applying these content designators, including indicators, scheme-specific conventions and input conventions are given in the X53 Classification Numbers-General Information section. The guidelines for applying tracing subfield codes $i (Reference instruction phrase), $t (Topic) and $w (Control subfield), are given in the Tracing and Reference Fields-General Information section.

EXAMPLES

084 0#$addc$c22
[Dewey Decimal Classification]
153 ##$a347.4202$c347.4204$hSocial sciences$hLaw$kBranches of law; laws, regulations, cases; law of specific jurisdictions, areas, socioeconomic regions$kBranches of law$hCivil procedure and courts$hSpecific jurisdictions and areas$kModern world; extraterrestial worlds$hEurope. Western Europe$hCivil procedure and courts of England$jCourts with specific kinds of jurisdiction
553 0#$wjg$a347.4201 $hSocial sciences$hLaw$kBranches of law; laws, regulations, cases; law of specific jurisdictions, areas, socioeconomic regions$kBranches of law$hCivil procedure and courts$hSpecific jurisdictions and areas$kModern world; extraterrestial worlds$hEurope. Western Europe$hCivil procedure and courts of England$jCourts$tCourts with specific kinds of jurisdiction
084 0#$alcc
[Library of Congress Classification]
153 ##$aTR210$cTR212$hPhotography$hTheory of photographic processes in general$jPhotographic chemistry and chemicals
553 0#$wl$aQD701 $cQD731$hChemistry$hPhysical and theoretical chemistry$jPhotochemistry$tPhotographic chemistry and chemicals
084 0#$addc$c22
[Dewey Decimal Classification]
153 ##$a542.1$hNatural sciences and mathematics$hChemistry and allied sciences$kChemistry$kGeneral topics in chemistry$hTechniques, procedures, apparatus, equipment, materials$jLaboratories
553 0#$wm$a540.72 $hNatural sciences and mathematics$hChemistry and allied sciences$hEducation, research, related topics$jResearch; statistical methods$tlaboratories
084 0#$addc$c22
[Dewey Decimal Classification]
153 ##$z2$a482$c484$hGeographic Areas, Historical Periods, Persons$kSpecific continents, countries, localities; extraterrestrial worlds$kModern world; extraterrestrial worlds$hEurope. Western Europe$hScandinavia$jDivisions of Norway
553 1#$wjg$z2 $a481$hGeographic Areas, Historical Periods, Persons$kSpecific continents, countries, localities; extraterrestrial worlds$kModern world; extraterrestrial worlds$hEurope. Western Europe$hScandinavia$jNorway $tdivisions of Norway
553 0#$wl$aNK5030 $cNK5035$hDecorative arts. Applied arts. Decoration and ornament$hOther arts and art industries$jFairground art$tHandicraft of carousel horses
553 0#$wk$a541.24 $hNatural sciences and mathematics$hChemistry and allied sciences$kChemistry$kGeneral topics in chemistry$hPhysical and theoretical chemistry$hTheoretical chemistry$jAtomic structure$tperiodic table
553 0#$wbnna$a787.2 $hThe arts. Fine and decorative arts$hMusic$kInstruments and their music$kSpecific instruments and their music$hStringed instruments (Chordophones). Bowed string instruments$jViolins
553 1#$wj$zP-PZ1 $a691$hTable for languages$hLexicography$hDictionaries $hOther special lists$jWord frequency lists$tResearch on word frequency, etc., in connection with machine translating
553 0#$wjg$a621.42 $hTechnology (Applied sciences)$hEngineering and allied operations$hApplied physics$hPrime movers and heat engineering$jStirling engines and air motors
553 0#$wk$a331.2162 $hSocial sciences$hEconomics$kEconomics of labor, finance, land, energy$hLabor economics$hConditions of employment$hCompensation$hMethods of compensation$tTime payments
553 0#$wl$a331 $hSocial sciences$hEconomics$kEconomics of labor, finance, land, energy$jLabor economics$tsociology of laboring classes
553 0#$wmh$a331.011 $hSocial sciences$hEconomics$kEconomics of labor, finance, land, energy$hLabor economics$hPhilosophy and theory$jRights and position of labor$tsystems analysis applied to labor economics
553 0#$wjg$a621.69 $hTechnology (Applied sciences)$hEngineering and allied operations$hApplied physics$hBlowers, fans, pumps$kPumps$jPumps. Pneumatic pumps$thydraulic pumps
553 0#$wjg$a621.69 $hTechnology (Applied sciences)$hEngineering and allied operations$hApplied physics$hBlowers, fans, pumps$kPumps$jPumps. Pneumatic pumps$treciprocating pumps
553 0#$wjg$a621.69 $hTechnology (Applied sciences)$hEngineering and allied operations$hApplied physics$hBlowers, fans, pumps$kPumps$jPumps. Pneumatic pumps$trotary pumps
553 0#$wjg$a621.69 $hTechnology (Applied sciences)$hEngineering and allied operations$hApplied physics$hBlowers, fans, pumps$kPumps$jPumps. Pneumatic pumps$tcentrifugal pumps
553 0#$wkh$a666.5 $c666.6$hTechnology (Applied sciences)$hChemical engineering and related technologies$hCeramic and allied technologies$jSpecific types of pottery$tcomprehensive works
553 0#$wnga$a230 $c280$hReligion$jChristianity

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