Tracings and References-General Information
MARC 21 Authority
October 2007
"Full" documentation refers to the MARC 21 Format for Authority Data that contains detailed descriptions of every data element, along with examples, input conventions and history sections.
"Concise" documentation refers to the MARC 21 Concise Format for Authority Data that contains abridged descriptions of every data element, along with examples.
2XX-3XX: Complex subject references
260 - Complex See Reference - Subject (R)
Full |
Concise
360 - Complex See Also Reference - Subject (R)
Full |
Concise
4XX: See from tracings
400 - See From Tracing - Personal Name (R)
Full |
Concise
410 - See From Tracing - Corporate Name (R)
Full |
Concise
411 - See From Tracing - Meeting Name (R)
Full |
Concise
430 - See From Tracing - Uniform Title (R)
Full |
Concise
448 - See From Tracing - Chronological Term (R)
Full |
Concise
450 - See From Tracing - Topical Term (R)
Full |
Concise
451 - See From Tracing - Geographic Name (R)
Full |
Concise
455 - See From Tracing - Genre/Form Term (R)
Full |
Concise
480 - See From Tracing - General Subdivision (R)
Full |
Concise
481 - See From Tracing - Geographic Subdivision (R)
Full |
Concise
482 - See From Tracing - Chronological Subdivision (R)
Full |
Concise
485 - See From Tracing - Form Subdivision (R)
Full |
Concise
5XX: See also from tracings
500 - See Also From Tracing - Personal Name (R)
Full |
Concise
510 - See Also From Tracing - Corporate Name (R)
Full |
Concise
511 - See Also From Tracing - Meeting Name (R)
Full |
Concise
530 - See Also From Tracing - Uniform Title (R)
Full |
Concise
548 - See Also From Tracing - Chronological Term (R)
Full |
Concise
550 - See Also From Tracing - Topical Term (R)
Full |
Concise
551 - See Also From Tracing - Geographic Name (R)
Full |
Concise
555 - See Also From Tracing - Genre/Form Term (R)
Full |
Concise
580 - See Also From Tracing - General Subdivision (R)
Full |
Concise
581 - See Also From Tracing - Geographic Subdivision (R)
Full |
Concise
582 - See Also From Tracing - Chronological Subdivision (R)
Full |
Concise
585 - See Also From Tracing - Form Subdivision (R)
Full |
Concise
Special subfields used with 4XX and 5XX fields
$i - Reference Instruction Phrase (NR)
$w - Control Subfield (NR)
663-666: Complex name references
663 - Complex See Also Reference - Name (NR)
Full |
Concise
666 - General Explanatory Reference - Name (NR)
Full |
Concise
DEFINITION AND SCOPE
Cross references lead from an unauthorized heading to an authorized heading (see
reference) or from one authorized heading to another (see also reference). Actual cross
references are generally not carried explicitly in authority records. Instead, variant
form and related headings are carried in authority records in either tracing or
reference note fields. Cross reference displays may be generated by
combining the contents of a tracing or a reference note field and the 1XX heading field
of a record.
■ TRACING FIELDS
Tracing fields lead directly from one heading to a single other heading. A 4XX (See From
Tracing) field leads from an unauthorized heading to an authorized heading. A 5XX see
also from tracing field leads from one authorized heading to another authorized heading.
The 4XX and 5XX fields are used only in established heading records and subdivision
records.
Cross reference displays generated from the tracing fields are called simple cross
references. In a simple cross reference display, the content of the 4XX or 5XX
field is the heading referred from, and, following a reference instruction
phrase, the content of the 1XX field is the heading referred to. In the tracing
fields, the reference instruction phrase may be implicitly associated with either the
field tag or a code in subfield $w/0 (Special relationship). In unusual
cases, the reference instruction phrase may be carried explicitly in subfield
$i (Reference instruction phrase).
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008/09 |
a [established heading record] |
100 |
1#$aDe Angelini, Anna |
400 |
1#$aAngelini, Anna de [Reference instruction phrase is associated with field tag 400.] |
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Cross reference display example:
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Angelini, Anna de |
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search under: De Angelini, Anna |
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008/09 |
d [subdivision record] |
180 |
##$xAcronyms |
580 |
##$xAbbreviations [Reference instruction phrase is associated with field tag 580.] |
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Cross reference display example:
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Abbreviations |
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search also under: Acronyms |
■ REFERENCE NOTE FIELDS
Reference note fields lead from one heading to one or more other headings. A reference
note field is used when more complex reference instruction is needed than can be
conveyed by one or more simple cross references generated from 4XX and/or 5XX fields.
Cross reference displays generated from the reference note fields are complex cross
references. In a complex cross reference display, the content of the 1XX field
of a record is the heading referred from, and, following a reference
instruction phrase, the reference note field contains the heading(s) referred
to. In field 260 and 360, the complete reference instruction may be a combination
of a phrase implicitly associated with the field tag and explicit text in subfield
$i (Explanatory text). In field 663, 664, 665, and 666, the reference
instruction text is contained in subfield $a (Explanatory text).
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008/09 |
f [established heading and subdivision record] |
150 |
##$aManagement |
360 |
##$isubject subdivision$aManagement$iunder types of industries [Reference instruction phrase is associated with field tag 360 and is also
explicit in 360 $i.] |
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Cross reference display example:
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Management |
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search also under: subject subdivision Management under types of industries |
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008/09 |
a [established heading record] |
100 |
1#$aArlen, Harold,$d1905-1986.$tBloomer girl |
664 |
##$aFor collections beginning with this title search under$bArlen, Harold, 1905-1986$tMusical comedies. Selections [Reference instruction phrase is explicit in field 664 $a.] |
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Cross reference display example:
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Arlen, Harold, 1905-1986 Bloomer girl |
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For collections beginning with this title search under: Arlen, Harold, 1905-1986
Musical comedies. Selections |
There are two types of reference note fields: 1) those used in records for established
headings; and 2) those used in reference records. The fields used for see also
reference notes (field 360, 663, and 665) are used to lead from an established heading
to other established headings. The fields used for see reference notes (field
260, 664, and 666) are used in reference records to lead from an unestablished heading
to established headings.
Current cataloging practice does not encourage the use of a reference note field if
cross references generated from tracings in one or more 4XX and/or 5XX fields will
provide satisfactory user guidance. For example, instead of carrying a 665 history
reference field in each of the established heading records involved in corporate body
name changes, each name is traced in a 4XX or 5XX field. The earlier or later name
relationship between each 4XX or 5XX field and the 1XX field is indicated by a code in
subfield $w/0 (Special relationship).
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
Guidelines for applying subfield $i (Reference instruction phrase) and
subfield $w (Control subfield) in the 4XX and 5XX fields, as well as examples
of simple cross reference displays are provided in this section. Guidelines for applying
the other content designators defined for the 4XX and 5XX fields are provided in the
General Information sections for each type of heading (X00 Personal Names;
X10 Corporate Names; X11 Meeting Names; X30 Uniform Titles; X48 Chronological Terms; X50
Topical Terms; X51 Geographic Names; X55 Genre/Form Terms; X80 General Subdivisions; X81
Geographic Subdivisions; X82 Chronological Subdivisions; X85 Form Subdivisions).
Examples of complex cross reference displays that may be generated from field 260, 360,
663, 664, 665, and 666 are also provided in this section. Guidelines for applying the
content designators for these fields are not provided here but can be found in the
separate sections for each field.
■ TRACING FIELDS -- SIMPLE CROSS REFERENCES
Simple cross references are generated for display from tracing fields. The following
description related to the tracing fields is arranged by the source of the reference
instruction phrase used in the cross reference: tag related, subfield $i, and
subfield $w. The character positions defined for subfield $w are
also described here.
Tag Related Reference Instruction Phrase Reference instruction phrase such as see: or search under: may
be implicitly associated with a 4XX field tag and may be used to generate a
display of a cross reference. Reference instruction phrase such as see
also: or search also under: may be implicitly associated with a 5XX
field and may be used to generate a display of a cross reference.
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008/09 |
a [established heading record] |
100 |
1#$aArief, Barda Nawawi,$d1943- |
400 |
0#$aBarda Nawawi Arief,$d1943- |
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Cross reference display example:
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Barda Nawawi Arief, 1943- |
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search under: Arief, Barda Nawawi, 1943- |
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008/09 |
d [subdivision record] |
180 |
##$xMicroform catalogs |
580 |
##$xBibliography$xMicroform catalogs |
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Cross reference display example:
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Bibliography-Microform catalogs |
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search also under: Microform catalogs |
$i - Reference instruction phrase Special reference instruction phrase that may be used in a cross reference
display. When a tracing field contains subfield $i, control subfield
$w/0 contains code i (Reference instruction phrase in subfield
$i). Code i indicates that the generation of a tag related reference
instruction phrase in a cross reference display should be suppressed. The content
of subfield $i is the reference instruction phrase that is used in the
cross reference display.
When subfield $w/1 contains code h (No reference structures), subfield
$i may contain the date that a heading became invalid.
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008/09 |
a [established heading record] |
151 |
##$aSri Lanka |
451 |
##$wib$aCeylon$iFor subject entries search under |
551 |
##$waa$aCeylon [Two cross references are required because of varying subject and name
reference structures.] |
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Cross reference from field 451 display example:
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Ceylon |
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For subject entries search under: |
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Sri Lanka |
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Cross reference from field 551 display example:
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Ceylon |
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search also under later heading: |
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Sri Lanka |
$w - Control subfield Up to four character positions (designated as $w/0, etc.) that indicate
whether special instructions apply to the display of the heading in the 4XX or 5XX
field and whether a tracing is restricted to the reference structure of a
particular type of authority. Subfield $w need not be used if none of
the characteristics is applicable. Because the definitions of the codes in
subfield $w are dependent on the character position in which they
occur, the coding of any character position mandates that each preceding character
position contains a code or a fill character (|); succeeding character positions
need not be used. For example, if $w/0 and $w/1 are not
applicable but $w/2 is applicable, then $w/0 and
$w/1 each contain code n (Not applicable) or a fill character (|).
/0 - Special relationship One-character alphabetic code that describes a relationship between the heading
in a 1XX field and a heading in a 4XX or 5XX field that is more specific than
the relationship implicit in the tag. The codes may be used to generate a
special reference instruction phrase in a cross reference display.
a - Earlier heading |
h - Narrower term |
b - Later heading |
i - Reference instruction phrase in subfield $i
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d - Acronym |
n - Not applicable |
f - Musical composition |
t - Immediate parent body |
g - Broader term |
a - Earlier heading Established heading in the tracing field is an earlier name for the heading
in the 1XX field. The code may be used to generate a special reference
instruction phrase such as
search also under the later heading: in
a cross reference display.
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110 |
1#$aMissouri.$bState Highway Patrol.$bCriminal Records Division |
510 |
1#$wa$aMissouri.$bState Highway Patrol.$bCriminal Records Section |
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Cross reference display example:
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Missouri. State Highway Patrol. Criminal Records Section |
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search also under the later heading: |
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Missouri. State Highway Patrol. Criminal Records Division |
b - Later heading Heading in the tracing field is a later name for the heading in the 1XX
field. The code may be used to generate a special reference instruction
phrase such as
search also under the earlier heading: in a cross
reference display.
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110 |
1#$aMissouri.$bState Highway Patrol.$bCriminal Records Section |
510 |
1#$wb$aMissouri.$bState Highway Patrol.$bCriminal Records Division |
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Cross reference display example:
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Missouri. State Highway Patrol. Criminal Records Division |
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search also under the earlier heading: |
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Missouri. State Highway Patrol. Criminal Records Section |
d - Acronym Heading in the tracing field is an acronym for the heading in the 1XX field.
The code may be used to generate a special reference instruction phrase such
as
search under the full form of the heading: in a cross reference
display.
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110 |
2#$aAssociação Brasileira para o Desenvolvimento das
Industrias de Base
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410 |
2#$wd$aAbdib |
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Cross reference display example:
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Abdib |
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search under the full form of the heading: |
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Associação Brasileira para o Desenvolvimento das Industrias de Base |
f - Musical composition Heading in the 4XX or 5XX field is for a literary work upon which the
musical composition in the heading in the 1XX field is based. The code may
be used to generate a special reference instruction phrase such as
for a
musical composition based on this work, search also under: in a
cross reference display.
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100 |
1#$aDebussy, Claude,$d1862-1918.$tChute de la maison Usher |
500 |
1#$wf$aPoe, Edgar Allan,$d1809-1849.$tFall of the house of Usher |
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Cross reference display example:
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Poe, Edgar Allan, 1809-1849. Fall of the house of Usher |
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for a musical composition based on this work, search also under: |
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Debussy, Claude, 1862-1918. Chute de la maison Usher |
g - Broader term Heading in the 4XX or 5XX field is a broader term than the heading in the
1XX field. The code may be used to generate a special reference instruction
phrase such as
search also under the narrower term: in a cross
reference display.
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150 |
##$aToes |
550 |
##$wg$aFoot |
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Cross reference display example:
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Foot |
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search also under the narrower term: Toes |
h - Narrower term Heading in the 4XX or 5XX field is a narrower term than the heading in the
1XX field. The code may be used to generate a special reference instruction
phrase such as
search also under the broader term: in a cross
reference display.
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150 |
##$aFoot |
550 |
##$wh$aToes |
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Cross reference display example:
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Toes |
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search also under the broader term: Foot |
i - Reference instruction phrase in subfield $i Used in conjunction with subfield $i (Reference instruction
phrase). Guidelines for applying code i are given under the description of
subfield $i.
n - Not applicable Relationship between the heading in the 4XX or 5XX field and the heading in
the 1XX field is not one of the special relationships for which other codes
are defined in subfield $w/0. A tag related reference instruction
phrase such as
search under: or
search also under: may be
used in a cross reference display from the related heading. If code n is
applicable, subfield $w/0 need not be coded unless a subsequent
character position is required.
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180 |
##$xAesthetics |
480 |
##$xViews on aesthetics |
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Cross reference display example:
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Views on aesthetics |
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search under: Aesthetics |
t - Immediate parent body Heading in the 5XX field is the name of a parent body of the entity in the
1XX field. Code t is applicable only to corporate bodies. It may be used for
archival material where there is a need to identify fully the hierarchical
structure of a corporate entity.
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110 |
2#$aLoblaw Companies Limited |
510 |
2#$wt$aGeorge Weston Limited |
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Cross reference display example:
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Loblaw Companies Limited |
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search also under the immediate parent body: |
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George Weston Limited |
/1 - Tracing use restriction One-character alphabetic code that specifies the authority reference structure
in which the use of a 4XX or 5XX field to generate a cross reference is
appropriate. When the tracing reference structure use differs from the use of
the heading in the 1XX field, a tracing use restriction code in subfield
$w/1 enables suppression or generation of the cross reference as
required for the type of reference structure.
a - Name reference structure only |
b - Subject reference structure only |
c - Series reference structure only |
d - Name and subject reference structures |
e - Name and series reference structures |
f - Subject and series reference structures |
g - Name, subject, and series reference structures |
h - No reference structures |
n - Not applicable |
Code h (No reference structures) indicates that the reference is not valid in
any reference structure. Code n (Not applicable) indicates that the authority
structure use is the same as the bibliographic record use coded in 008/14-16
for the heading in the 1XX field. If code n is applicable, subfield
$w/1 need not be coded unless a subsequent character position is
required.
/2 - Earlier form of heading One-character alphabetic code that indicates whether the heading in the 4XX
field is an earlier form in which the name or subject was established either in
the relevant national authority file or in an authority file other than the
national authority file.
a - Pre-AACR 2 form of heading (national name authority file) |
e - Earlier established form of heading (national authority
file)
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o - Earlier established form of heading (other authority file)
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n - Not applicable |
Precedence of codes
When more than one code applies to the heading in a 4XX field, the following
table is used to determine the precedence status of each code. Preference is
given to codes higher on the lists. The Names column covers records
for names formulated according to descriptive cataloging rules. The
Subjects column covers records for subjects formulated according to
subject heading system/thesaurus conventions.
Names |
Subjects |
n - Not applicable |
n - Not applicable |
a - Pre-AACR2 form of heading (national name authority file) |
e - Earlier established form of heading (national authority
file)
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e - Earlier established form of heading (national authority
file)
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o - Earlier established form of heading (other authority
file)
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o - Earlier established form of heading (other authority
file)
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a - Pre-AACR 2 form of heading (national name authority file) Heading in the 4XX field is a pre-AACR2 form (of the heading in the 1XX
field) that was the authorized heading in the national name authority file
at the time of the changeover to the AACR2 rules.
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100 |
1#$aCallaghan, Bede,$cSir,$d1912- |
400 |
1#$wnna$aCallaghan, Bede Bertrand,$cSir,$d1912- |
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Cross reference display example:
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Callaghan, Bede Bertrand, Sir, 1912- |
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search under the later form of the heading: |
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Callaghan, Bede, Sir, 1912- |
e - Earlier established form of heading (national authority file) Heading in the 4XX field is a form of the heading in the 1XX field that was
formerly established in the relevant national authority file under a
situation other than that specified by code a.For example, code e is used when the heading in the 4XX field is a
previously-authorized heading from the national authority file now
superseded by a later form of heading in the 1XX field. It is also used when
the tracing is a pre-AACR2 form of a name, name-title, or uniform title
heading that had been established earlier in the national authority file but
was not the established heading at the time of the changeover to the AACR2
rules.
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150 |
##$aMargarine |
450 |
##$wnne$aOleomargarine |
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151 |
##$aBoston (England) |
451 |
##$wnne$aBoston (Lincolnshire) |
o - Earlier established form of heading (other authority file) Heading in the tracing field is an earlier form of the 1XX heading that was
formerly established in an authority file other than the relevant national
authority file.
n - Not applicable Tracing does not contain a formerly established form of the 1XX heading.If code n is applicable, subfield $w/2 need not be coded unless a
subsequent character position is required.
/3 - Reference display One-character alphabetic code that enables the generation or suppression of a
cross reference from a 4XX or 5XX field.
a - Reference not displayed |
b - Reference not displayed, field 664 used |
c - Reference not displayed, field 663 used |
d - Reference not displayed, field 665 used |
n - Not applicable |
a - Reference not displayed Generation of a cross reference display from a tracing field should be
suppressed. Code a is used when the reason for suppression is not covered by
code b, c, or d.
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110 |
2#$aEntomological Society of Karachi |
510 |
2#$wanna$aKarachi Entomological Society [Cross reference is suppressed because heading has not been used.]
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b - Reference not displayed, field 664 used Generation of a cross reference display from a 4XX field should be
suppressed because of the existence of a separate reference record
containing a 664 field.See the description of field 664 for examples of subfield $w/3
containing code b in 4XX fields in established heading records. See the
Reference Fields-Complex Cross References description in this
section for examples of cross reference displays generated from field
664.
c - Reference not displayed, field 663 used Generation of a cross reference display from a 5XX field should be
suppressed due to the presence of field 663 in the same record.See the description of field 663 for examples of subfield $w/3
containing code c in 5XX fields in established heading records. See the
Reference Fields-Complex Cross References description in this
section for examples of cross reference displays generated from field
663.
d - Reference not displayed, field 665 used Generation of a cross reference display from a 4XX or 5XX field should be
suppressed because of a 665 (History Reference) field in the same record.See the field 665 description for examples of subfield $w/3
containing code d in 4XX and 5XX fields in established heading records. See
the Reference Fields-Complex Cross References description in this
section for examples of cross reference displays generated from field
665.
n - Not applicable No reference display restriction on the 4XX or 5XX field. If code n is
applicable, subfield $w/3 need not be coded.
■ REFERENCE FIELDS - COMPLEX CROSS REFERENCES
Complex cross references are carried directly in records as reference note fields. The
following description is arranged by the source of the reference instruction phrase: tag
related (with subfield $i) and subfield $a.
Tag related reference instruction phrase with subfield $i Field 260 may be used to generate a display of a cross reference with a reference
instruction phrase such as see: or search under:. Field 360 may
be used to generate a cross reference with a reference instruction phrase such as
see also: or search also under:. The text in subfield
$i (Explanatory text) augments the tag related instruction phrase.
260 - Complex See Reference - Subject:
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008/09 |
b [untraced reference record] |
150 |
##$aCatalogue . . . |
260 |
##$isubject headings beginning with the word$aCatalog |
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Cross reference display example:
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Catalogue . . . |
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search under: subject headings beginning with the word Catalog |
260 - Complex See Reference - Subject:
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008/09 |
g [reference and subdivision record] |
150 |
##$aAmateurs' manuals |
260 |
##$isubdivision$aAmateurs' manuals$iunder subjects, e.g.$aRadio-Amateurs' manuals |
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Cross reference display example:
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Amateurs' manuals |
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search under: subdivision Amateurs' manuals under subjects, e.g.
Radio-Amateurs' manuals |
360 - Complex See Also Reference - Subject:
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008/09 |
a [established heading record] |
100 |
0#$aMary,$cBlessed Virgin, Saint$xApparitions and miracles |
360 |
##$inames of particular apparitions and miracles, e.g.$aFatima, Our Lady of |
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Cross reference display example:
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Mary, Blessed Virgin, Saint-Apparitions and miracles |
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search also under: names of particular apparitions and miracles, e.g. Fatima,
Our Lady of |
$a - Explanatory text
Any reference instruction phrase needed in fields 663, 664, 665, and 666.
663 - Complex See Also Reference - Name
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008/09 |
a [established heading record] |
100 |
1#$aJapp, Alexander H.$q(Alexander Hay),$d1839-1905 |
663 |
##$aFor works of this author written under pseudonyms,
search also under$bGray, E. Condor, 1839-1905$aand$bPage, H. A., 1839-1905
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Cross reference display example:
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Japp, Alexander H. (Alexander Hay), 1839-1905 |
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For works of this author written under pseudonyms, search also under: Gray, E.
Condor,
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1839-1905 and Page, H. A., 1839-1905 |
664 - Complex See Reference - Name:
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008/09 |
c [traced reference record] |
100 |
1#$aReger, Max,$d1873-1916.$tDies irae |
664 |
##$aFor this movement included in the composer's unfinished
Requiem search under$bReger, Max, 1873-1916.$tRequiem (Mass)
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Cross reference display example:
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Reger, Max, 1873-1916. Dies irae |
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For this movement included in the composer's unfinished Requiem search under:
Reger, Max, 1873-1916. Requiem (Mass) |
666 - General Explanatory Reference - Name:
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008/09 |
b [untraced reference record] |
110 |
2#$aAktiebolaget . . . |
666 |
##$aCorporate names beginning with this word are entered
under the next word in the name.
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Cross reference display example:
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Aktiebolaget . . . |
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Corporate names beginning with this word are entered under the next word in
the name. |
665 - History Reference (The cross references from the other corporate names are similarly constructed:
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008/09 |
a [established heading record] |
110 |
1#$aConnecticut.$bDept. of Social Services |
665 |
##$aIn Jan. 1979 the Connecticut Dept. of Social Services
split to form the Dept. of Human Resources and the Dept. of Income
Maintenance. $aWorks by these bodies are found under the following
headings according to the name used at the time of publication:$aConnecticut. Dept. of Social Services.$aConnecticut. Dept. of Human Resources.$aConnecticut. Dept. of Income Maintenance.$aSUBJECT ENTRY:$aWorks about these bodies are entered under one or more
of the names resulting from the separation. Works limited in coverage to the
pre-separation period are entered under the name of the original
body.
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Cross reference display example:
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Connecticut. Dept. of Social Services |
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In Jan. 1979 the Connecticut Dept. of Social Services split to form the Dept.
of Human Resources and the Dept. of Income Maintenance. Works by these bodies
are found under the following headings according to the name used at the time
of publication:
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Connecticut. Dept. of Social Services |
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Connecticut. Dept. of Human Resources |
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Connecticut. Dept. of Income Maintenance |
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SUBJECT ENTRY: Works about these bodies are entered under one or more of the
names resulting from the separation. Works limited in coverage to the
pre-separation period are entered under the name of the original body.
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INPUT CONVENTIONS
General Input Conventions - General input conventions for the 4XX and 5XX fields are provided in the General
Information sections for each type of heading (X00 Personal Names; X10 Corporate
Names; X11 Meeting Names; X30 Uniform Titles; X48 Chronological Terms; X50 Topical
Terms; X51 Geographic Names; X55 Genre/Form Terms; X80 General Subdivisions; X81
Geographic Subdivisions; X82 Chronological Subdivisions; X85 Form Subdivisions.) The
input conventions for the reference note fields are provided in the description of each
field.
Display Constants for Cross References - In the 4XX and 5XX fields, reference instruction phrases such as those listed below are
not carried in the MARC record. They may be system generated as display constants
associated with the code in subfield $w/0 or /2 or the field tag.
Subfield $w/0 code related: |
Tag-related: |
a - search also under [see also] the later heading: |
see: |
b - search also under [see also] the earlier heading: |
see also: |
d - search under [see] the full form of the heading: |
search under: |
g - search also under [see also] the narrower term: |
search also under: |
h - search also under [see also] the broader term: |
n -[A tag-related reference instruction phrase may be used.] |
t - search also under [see also] the parent body: |
Subfield $w/2 code related: |
a - search under [see] the later form of heading: |
In the
reference note fields 260 and 360, the complete reference instruction
may be a combination of a tag-related phrase, such as
see,
see also,
search under,
search also under, and explicit text in subfield
$i (Explanatory text).
CONTENT DESIGNATOR HISTORY
$w/0 - Print constant code [REDEFINED, 1997] [CAN/MARC only]
Following values were redefined: g (Full name), h (Real name), i (Real name
(reputedly))Following values were made obsolete: j (Name originally), k (Name in religion), l
(Secular name), m (Stage name of), o (Variant name), p (Abbreviated name), q
(Official name), r (Broader term), s (Narrower term), x (Print constant generated
from tag value), z (Text carried in subfield $i)
$w/1 - Tracing use restriction
h - No reference structures [NEW, 2007]
$w/2 - Earlier form of headingx - Tracing is not the form of heading established under earlier cataloguing rules [OBSOLETE, 1997] [CAN/MARC only]
$w/3 - Reference displaye - Note only generated from the tracing [OBSOLETE, 1997] [CAN/MARC only]i - Invisible see from reference [OBSOLETE, 1997] [CAN/MARC only]x - Reference is generated from the tracing [OBSOLETE, 1997] [CAN/MARC only]
$w/4 - Formerly established heading code [OBSOLETE, 1997] [CAN/MARC only]
Following values were defined: d (Formerly accepted heading replaced by the heading
in the 1XX field), s (Formerly accepted heading replaced by other headings, one of
which is in the 1XX field), x (Not a formerly accepted heading)