657 - Index Term-Function (R)
MARC 21 Community Information - Full
October 2007
First Indicator
Undefined
# - Undefined
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Second Indicator
Source of term
7 - Source specified in subfield $2
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Subfield Codes
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$a - Function (NR)
$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)
$6 - Linkage (NR)
$8 - Field link and sequence number (R)
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FIELD DEFINITION AND SCOPE
Index terms that describe the activity or function of the community information entity
if such information is not already indicated in another 6XX field.
Standard published lists are used for the function terms and the list is identified in
subfield $2 (Source of term).
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
First Indicator - Undefined Undefined and contains a blank (#).
Second Indicator - Source of term Source of the index term.
7 - Source specified in subfield $2
■ SUBFIELD CODES
$a - Function Term specifying the function or activity of the community information entity.
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| 657 |
#7$aFund raising.$2lcsh
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$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 an index term.
$x - General subdivision Subject subdivision that is not more appropriately contained in subfields
$v (Form subdivision), $y (Chronological subdivision) or
$z (Geographic subdivision). Subfield $x is appropriate only
when a general topical subdivision is added to a term.
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| 657 |
#7$acondemning damaged buildings$xschools$xmultistory buildings$xrow houses$zBoston, Massachusetts.$2aat
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$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.
$z - Geographic subdivision Geographic subject subdivision. Subfield $z is appropriate only when a
geographic subject subdivision is added to a term.
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| 657 |
#7$amaintaining$xhousing for the handicapped$zNew York City, New York.$2aat
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$0 - Authority record control number
$2 - Source of term
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| 657 |
#7$aindexing civil court records$xpowers of attorney$xwills$xbequests$zHalifax, Nova Scotia.$2aat
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$3 - Materials specified Part of the described materials to which the field applies.
$8 - Field link and sequence number
INPUT CONVENTIONS
Punctuation - The subfield preceding subfield $2 in field 657 ends with a mark of
punctuation or a closing parenthesis. An index 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.
Spacing - No spaces are used in initialisms, acronyms, or abbreviations.
Display Constant - The dash ( - ) that precedes a subject subdivision in an extended subject heading is not
carried in the machine-readable record. It may be system generated as a display constant
associated with the content of subfields $v, $x, $y,
and $z.
CONTENT DESIGNATOR HISTORY
$0 - Authority record control number [NEW, 2007]