321 - Former Publication Frequency (R)
MARC 21 Bibliographic - Concise
2007
Former publication frequency of either an item or an update to an item when a current
publication frequency is given in field 310 (Current Publication Frequency).
Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - Former publication frequency (NR)
$b - Dates of former publication frequency (NR)
$8 - Field link and sequence number (R)
Examples
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321 |
##$aTen no. a year,$b1982-1984
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321 |
##$aMonthly,$bMar. 1972-Dec. 1980
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321 |
##$aSemiannual,$b1981-1982
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321 |
##$aFrequency varies,$b1966-1983
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321 |
##$aFrequency of update varies
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321 |
##$aUpdated monthly,$b1998-2000
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