LC Guidelines: 550 See Also From Tracing - Topical Term
NACO:
Do not use this field.
SACO:
Do not use subfields: $b, $g, $i, $0, $1, $4, $5, $6, $8
SACO usage for subfield $w is given in the LC Guidelines for Tracings and References - General Information - 5XX Fields.
LC:
NAMES/SERIES:
Do not use this field.
SUBJECTS:
Do not use subfields: $b, $g, $i, $0, $1, $4, $5, $6, $8
Usage for subfield $w is given in the LC Guidelines for Tracings and References - General Information - 5XX Fields.
Local Subfield Code:
$9 - Local field-level nonprint flag [SUBJECTS only]
Use local subfield $9 to control the printing of the field in output products.
For more information on LC Guidelines, select: