185 Heading - Form Subdivision (NR) (Variable Data Field)
Field 185 contains a form or genre term used as a heading in a subdivision record .
The National level record requirement for this field is Mandatory if applicable.
Field 185 is NOT repeatable .
Guidelines for applying content designators:
The content designators identify the subelements occurring in form subdivision headings constructed according to generally accepted thesaurus-building conventions (e.g., Medical Subject Headings).
A form subdivision is used as a subdivision portion of an extended
subject or index term access field in bibliographic records.
A form term that is used as the lead element of an established heading
record is contained in a 155 (Heading - Genre/Form Term)
field.
For indicator and subfield code definitions and examples, National level (NLR) record requirements , and designator repeatability , see table below:
Position | Description | NLR | Repeatability |
Field 185 | Heading - Form Subdivision | A | NR |
Indicator: | |||
First | Undefined; contains a blank | M | |
Second | Undefined; contains a blank | M | |
Subfield code: | |||
$v | M | R | |
$x | A | R | |
$y | A | R | |
$z | A | R | |
$6 | A | NR | |
$8 | O | R |
See: Examples for this field.
Use of subfields $v, $x, $y, and $z in LCSH
Related MARC field or document:
X85 Form Subdivisions - General Information
See also:
