This field is used to record the date of material that cannot be entered in 008/06-14. We use it to record one or more Before Common Era (BCE) dates.
indicators: no indicators, leave blankpunctuation: all subfields end with no punctuationNone; leave blank.
subfields: $$a - Type of date code (NR)
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$$e - Date 2, CE date (NR)
punctuation: None.
$$a Type of date code
This subfield is used to enter information similar to that in the 008 byte 06.
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