181 Heading - Geographic Subdivision (NR) (Variable Data Field)

Field definition and scope:

Field 181 contains a geographic name or term used as a heading in a subdivision record .

The National level record requirement for this field is Mandatory if applicable.

Field 181 is NOT repeatable .

Guidelines for applying content designators:

The content designators identify the subelements occurring in geographic subdivision headings constructed according to generally accepted thesaurus-building conventions (e.g., Library of Congress Subject Headings, Medical Subject Headings).

A geographic subdivision is used as a subdivision portion of an extended subject or index term access field in bibliographic records.

A geographic name that is used as the lead element of an established heading record is contained in a 151 (Heading - Geographic Name) field.

For indicator and subfield code definitions and examples, National level (NLR) record requirements , and designator repeatability , see table below:

See: Examples for this field.

Input conventions:

Punctuation

Spacing

Display constant

LC guidelines for usage:

181 Heading - Geographic Subdivision

Related MARC field or document:

X81 Geographic Subdivisions - General Information

See also:

1XX Headings

Variable Data Fields