LC Guidelines: 678 Biographical or Historical Data
NACO:
Field 678 may be supplied in name authority records in the LC/NACO Authority File.
Do not use subfields: $6, $8
SACO:
Do not use this field.
LC:
NAMES/SERIES:
Field 678 may be supplied in name authority records in the LC/NACO Authority File.
The 678 field was previously used as originally defined to preserve useful biographical/historical information pertaining to the 1XX heading when manual NARs and SARs were converted to machine-readable form. Value blank was used in the first indicator position. Subfields $b, $u, $6, $8 were not used.
Do not use subfields: $6, $8
SUBJECTS:
Do not use this field.
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