673 - Segmented Classification Number (NR)
MARC 21 Classification - Full
October 2008
First Indicator
Undefined
# - Undefined
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Second Indicator
Undefined
# - Undefined
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Subfield Codes
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$a - Classification number-single number or beginning number of span (R)
$c - Classification number-ending number of span (R)
$y - Table sequence number for internal subarrangement or add table (R) |
$z - Table identification (R)
$6 - Linkage (NR)
$8 - Field link and sequence number (NR) |
FIELD DEFINITION AND SCOPE
Designation of where the classification number can be logically shortened.
GUIDELINES FOR APPLYING CONTENT DESIGNATORS
■ INDICATORS
- Both indicators are undefined; each contains a blank (#).
■ SUBFIELD CODES
$a - Classification number-single number or beginning number of span
$c - Classification number-ending number of span
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| 673 |
##$a025.06/001$c025.06/999
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$y - Table sequence number for internal subarrangement or add table Sequence number or other identifier for an internal classification subarrangement
or add table. If the first or only add table found at a classification number is
the number 1, and succeeding integers are used for any following add tables found
at that number.
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| 673 |
##$a913$c919$y1$a06/2
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$z - Table identification Identification of the table to which the classification number in the note
belongs. For a classification number span, subfield $z is given only
once, before the first number.
$8 - Field link and sequence number
SCHEME-SPECIFIC CONVENTIONS
Dewey Decimal Classification - Primary use of this field is for the Dewey Decimal Classification. Segmentation
marks are used to show the end of the Abridged edition part of a Full edition number. In
the past, segmentation marks were also used to show where Table 1 (Standard subdivision)
notation was added to DDC numbers.