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321  Former Publication Frequency (R)

Input Standards

Required if applicable/Optional
1st Indicator  Undefined
blank character Undefined
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂa Former publication frequency (NR) Mandatory/Mandatory
ǂb Dates of former publication frequency (NR) Required if applicable/Required if applicable
ǂ8 Field link and sequence number (R) Optional/Optional

Definition

The former publication frequency of a continuing resource (serial or integrating resource). Use only when a current publication frequency is given in field 310.

Use the following guidelines for capitalization, punctuation, and representation of numerals:

  • Capitalize the first letter of the first word in subfield ǂa.
  • Enter a comma between subfields ǂa and ǂb.
  • Do not enter final punctuation unless the field ends with an abbreviation.
  • If the first 321 field begins with a number and field 310 is also present, spell out the number in the first 321 field.
310     4 issues yearly, ǂb August 1904-
321     Five issues yearly, ǂb 1901-June 1904
  • Enter each former frequency in a separate 321 field. Enter the former frequencies in the order of earliest to most recent.
  • Spell out a number appearing in the first 321 field only. Use an Arabic numeral in subsequent 321 fields.
310     Monthly, ǂb 1949-1956
321     Five issues yearly, ǂb 1947
321     14 issues yearly, ǂb 1948

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank ( blank character ).

blank character

Undefined

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank ( blank character ).

blank character

Undefined

Subfields

 
ǂa Former publication frequency

The complete statement, exclusive of dates, of the former publication frequency.

310     Monthly, ǂb 1985-
321     Ten numbers a year, ǂb 1982-1984
ǂb Dates of former publication frequency

The dates of the former publication frequency.

321     Monthly, ǂb 1957-1962
321     Bimonthly (irregular), ǂb 1964-1967
ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.

This page last revised: October 6, 2016