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 |
$y - Table sequence number for internal
subarrangement or add table
Sequence number or other identifier for an internal
classification subarrangement or add table. If the first or
only add table found at a classification number is the
number 1, and succeeding integers are used for any
following add tables found at that number.
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673 |
##$a913$c919
$y1$a06/2 |
$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.