655 - Index Term-Genre/Form (R)
MARC 21 Bibliographic - Full
October 2007
First Indicator Type of heading # - Basic 0 - Faceted
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Second Indicator Thesaurus 0 - Library of Congress Subject Headings 1 - LC subject headings for children's literature 2 - Medical Subject Headings 3 - National Agricultural Library subject authority file 4 - Source not specified 5 - Canadian Subject Headings 6 - Répertoire de vedettes-matière 7 - Source specified in subfield $2
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Subfield Codes
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$a - Genre/form data or focus term (NR) $b - Non-focus term (R) $c - Facet/hierarchy designation (R) $v - Form subdivision (R) $x - General subdivision (R) $y - Chronological subdivision (R) $z - Geographic subdivision (R)
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$0 - Authority record control number (R)
$2 - Source of term (NR) $3 - Materials specified (NR) $5 - Institution to which field applies (NR) $6 - Linkage (NR) $8 - Field link and sequence number (R)
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FIELD DEFINITION AND SCOPE
Terms indicating the genre, form, and/or physical characteristics of the materials being
described. A genre term designates the style or technique of the intellectual
content of textual materials or, for graphic materials, aspects such as vantage point,
intended purpose, characteristics of the creator, publication status, or method of
representation. A form term designates historically and functionally specific
kinds of materials distinguished by their physical character, the subject of their
intellectual content, or the order of information within them. Physical
characteristic terms designate historically and functionally specific kinds of
materials as distinguished by an examination of their physical character, subject of
their intellectual content, or the order of information with them.
Examples of genre terms for textual materials are: biographies, catechisms, essays,
hymns, or reviews. Examples of form and physical characteristic terms are: daybooks,
diaries, directories, journals, memoranda, questionnaires, syllabi, or time sheets.
May contain terms constructed from a faceted vocabulary. For each term found in the
field, an identification is given as to the facet/hierarchy in the thesaurus from which
the term came. In addition, identification is given as to which term is the focus term
of the expression.
Standard published lists are used for the genre and form terms. The lists are identified
either by the second indicator (Thesaurus) or by subfield $2 (Source of
term).
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
First Indicator - Type of heading Type of genre/form heading in the field.
# - Basic Genre/form data is recorded in a single occurrence of subfield
$a.
0 - Faceted Each genre/form term is recorded in a separate subfield $a or
$b. A subfield $c (Facet/hierarchy designation) precedes
each term in subfields $a and $b; it denotes the
facet/hierarchy of each term in a particular thesaurus.
Second Indicator - Thesaurus Subject heading system or thesaurus used in constructing the subject heading.
0 - Library of Congress Subject Headings Subject added entry conforms to and is appropriate for use in the
Library
of Congress Subject Headings (LCSH) and the Name authority files that
are maintained by the Library of Congress.Conforms to
LCSH is defined as:
- headings (or headings and subdivisions) found in the LC authority files
(including name authorities), or in the latest edition of LCSH,
including the latest microfiche, printed version, CD-ROM, and supplements;
- headings constructed following AACR2;
- headings found in the LC authority files, the latest edition of
LCSH, or constructed following AACR2 to which is added a
free-floating or regular subdivision according to the rules stated in the
Subject Cataloging Manual: Subject Headings, particularly
subdivisions listed in the pattern lists, and geographic subdivisions
formulated and applied according to the rules in the manual;
1 - LC subject headings for children's literature Subject added entry conforms to the "AC Subject Headings" section of the
Library of Congress Subject Headings and is appropriate for use in
the LC Annotated Card Program.
2 - Medical Subject Headings Subject added entry conforms to and is appropriate for use in the National
Library of Medicine authority files.
3 - National Agricultural Library subject authority file Subject added entry conforms to and is appropriate for use in the National
Agricultural Library subject authority file.
4 - Source not specified Subject added entry conforms to a controlled list that cannot be identified by
second indicator values 0-3, 5-6 or by a code in subfield $2.Field 653 (Index Term-Uncontrolled) is used to record terms that are not
derived from controlled subject heading lists.
5 - Canadian Subject Headings Subject added entry conforms to and is appropriate for use in the Canadian
Subject Headings that is maintained by the Library and Archives
Canada.
6 - Répertoire de vedettes-matière Subject added entry conforms to the Répertoire de vedettes-matière
that is maintained by the Bibliothèque de l'Université Laval.
7 - Source specified in subfield $2 Subject added entry conforms to a set of subject heading system/thesaurus
building rules. The identifying code is given in subfield $2.
■ SUBFIELD CODES
$a - Genre/form data or focus term All genre, form, or physical characteristics data when the first indicator is #.
For faceted headings (first indicator is value 0), it consists of the focus term.
A focus term is the concrete thing forming the basis of the expression.
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655 |
#7$aBird's-eye views$y1874.$2gmgpc
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655 |
#7$aCartoons$y1952.$2gmgpc
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655 |
#7$aGampi fibers (Paper)$zJapan$y1955$2rbpap
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655 |
#2$aFestschrift.
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655 |
#2$aDiaries.
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655 |
07$ck$bLaminated$cm$bmarblewood$cv$abust.$2aat
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$b - Non-focus term Term other than that considered the focus in a faceted heading (first indicator is
value 0).
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655 |
07$cd$bBlack$cf$bHmong$cm$bcotton$ck$bcourtship$ct$aballs.$2aat
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$c - Facet/hierarchy designation Facet/hierarchy for each term found in subfields $a and $b
in faceted headings (first indicator is value 0). The designations differ,
depending on the thesaurus used (as specified by the code found in subfield
$2). The designations and their associated facets/hierarchies can be
found in the thesaurus identified by subfield $2. Subfield
$c always precedes the data to which it is associated.
See the examples under the descriptions of subfields $a and
$b.
$v - Form subdivision Form subdivision that designates a specific kind or genre of material as defined
by the thesaurus being used. Subfield $v is appropriate only when a
form subject subdivision is added to a genre/form term.
$x - General subdivision Subject subdivision that is not more appropriately contained in subfield
$v (Form subdivision), subfield $y (Chronological
subdivision), or subfield $z (Geographic subdivision). Subfield
$x is appropriate only when a topical subdivision is added to a term
with a first indicator of # (Basic).
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655 |
#7$aDictionaries$xFrench$y18th century.$2rbgenr
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655 |
#7$aPhotoprints$xColor$zPanama Canal Zone$y1900-1950.$2gmgpc
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$y - Chronological subdivision Subject subdivision that represents a period of time. Subfield $y is
appropriate only when a chronological subject subdivision is added to a term.
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655 |
#7$aCompetition drawings$y1984.$2gmgpc
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$z - Geographic subdivision Geographic subject subdivision. Subfield $z is appropriate only when a
geographic subject subdivision is added to a term.
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655 |
#7$aHymnals$zMassachusetts$y18th century.$2rbgenr
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655 |
#7$aSigning patterns (Printing)$zGermany$y18th century.$2rbpri
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$0 - Authority record control number
$2 - Source of term
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655 |
#7$aEmblem books$zGermany$y17th century.$2rbgenr
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655 |
#7$aLithographs$zGermany$y1902.$2gmgpc
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$3 - Materials specified Part of the described materials to which the field applies.
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655 |
#7$3Municipal Fire Station records$aFire reports$zAtlanta, Georgia$y1978.$2[thesaurus code]
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$5 - Institution to which field applies
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655 |
#7$aAnnotations (Provenance)$zSweden$y18th century.$2rbprov$5MH-H
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$8 - Field link and sequence number
INPUT CONVENTIONS
Punctuation - Subfield preceding subfield $2 in field 655 ends with a mark of punctuation
or a closing parenthesis.
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655 |
#7$aDiaries$zBelgium.$2 [thesaurus code]
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Term followed by a subject subdivision does not end with a mark of punctuation unless
the preceding term ends with an abbreviation, initial/letter, open date, or other data
that end with a mark of punctuation.
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655 |
#7$aPrayer books$zRhode Island$y18th century.$2 [thesaurus code]
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Spacing - No spaces are used in initialisms, acronyms, or abbreviations.
Subfield $y Imprint Date Data - Imprint date (i.e., the date found in 260$c) may be used in subfield
$y of field 655. In subfield $y, the date data are recorded
following
Library of Congress Rule Interpretations 21.30M. Brackets are not
used even though they may be present in 260$c. When the dates are preceded by
alphabetic data in subfield $y, the first letter of the alphabetic data is
capitalized, e.g., Not before [imprint date]; Not after [imprint date]; Ca. [imprint
date].
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260 |
##$a [place of publication] :$b [publisher] ,$c[1885] |
655 |
#7$aAddresses$zMassachusetts$zBoston$y1885.$2rbgenr
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Display Constant
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[dash associated with the content of subfield $v,
$x, $y, and $z] |
Dash (-) that precedes a subdivision in an extended genre/form heading is not carried in
the MARC record. It may be system generated as a display constant associated with the
content of subfields $v, $x, $y, and $z.
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Content designated field :
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655 |
#7$aAgenda$xWeekly$y1980-1985.$2 [thesaurus code]
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Display example:
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Agenda-Weekly-1980-1985.
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In headings having a first indicator 0 (Faceted), the dash (-) that precedes any
non-focus term that
follows a focus term is not carried in the MARC record. It
may be generated as a display constant associated with subfield $b.
CONTENT DESIGNATOR HISTORY
Until field 755 (Added Entry-Physical Characteristics) was made obsolete in 1995,
physical characteristics were recorded in field 755 instead of field 655.
Indicator 1 - Type of heading [NEW, 1993]
Indicator 2 - Source of term [REDEFINED, 2002]
$0 - Authority record control number [NEW, 2007]