BibFormats

656  Index Term--Occupation (R)

Record Type

BIB

Input Standards

Field (Full/Minimal)
Optional/Optional
1st Indicator  Undefined
blank character Undefined
2nd Indicator  Source of term
7 Source is specified in subfield ǂ2
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards (Full/Minimal)
ǂa Occupation (NR) Mandatory/Mandatory
ǂk Form (NR) Required if applicable/Required if applicable
ǂv Form subdivision (R) Required if applicable/Required if applicable
ǂx General subdivision (R) Required if applicable/Required if applicable
ǂy Chronological subdivision (R) Required if applicable/Required if applicable
ǂz Geographic subdivision (R) Required if applicable/Required if applicable
ǂ0 Authority record control number or standard number (R) Optional/Optional
ǂ1 Real World Object URI (R) Optional/Optional
ǂ2 Source of term (NR) Mandatory/Mandatory
ǂ3 Materials specified (NR) Optional/Optional
ǂ6 Linkage (NR) System supplied/System supplied
ǂ8 Field link and sequence number (R) Optional/Optional

Definition

An index term describing the occupation (including an avocation) reflected in the contents of the described materials. Do not use field 656 to list the occupations of the creators of the described materials, unless those occupations are significantly reflected in the records themselves.

1st Indicator

Undefined. The 1st indicator position is undefined and contains a blank.

blank character

Undefined

2nd Indicator

Source of term. The source of the index term is contained in subfield ǂ2.

 
7

Source is specified in subfield ǂ2. Terms based on specific subject authorities. Identify the source in subfield ǂ2.

Subfields

 
ǂa Occupation

A term specifying the occupation reflected in the contents of the described material.

656   7 Professors. ǂ2 dot
ǂk Form

The form of the material. Distinguish form by an examination of the physical character, by the order of information within the item, or by the subject of the intellectual content (e.g., daybooks, diaries, directories, journals, memoranda, questionnaires, syllabi, or time sheets).

656   7 Architects. ǂk Correspondence. ǂ2 aat
ǂv Form subdivision

A specific kind or genre of material defined by the thesaurus being used. Use only when a form subject subdivision is added to an index term for occupation. Use subfield ǂx if the terms function as general subdivisions. A form subdivision in subfield ǂv is generally the last subfield in the field. Repeat subfield ǂv if you use more than one form subdivision.

656   7 Labor leaders ǂz United States ǂv Caricatures and cartoons. ǂ2 lcsh
ǂx General subdivision

A subject subdivision that is not more appropriately contained in subfield ǂv, ǂy, or ǂz. Use subfield ǂx only when a general topical subdivision is added to a term.

656   7 United States. Army ǂx Surgeons. ǂ2 local
ǂy Chronological subdivision

A subject subdivision that represents a period of time. Use only when a chronological subject subdivision is added to a term.

656   7 Retailers ǂx Silverwork ǂz New York ǂz New York City ǂy 1851-1874. ǂ2 aat
ǂz Geographic subdivision

A geographic subject subdivision. Use only when a geographic subject subdivision is added to a main term.

656   7 Governors ǂz Louisiana ǂx Election. ǂ2 lcsh
ǂ0 Authority record control number or standard number

For information about subfield ǂ0, see Control Subfields.

ǂ1 Real World Object URI

For information about subfield ǂ1, see Control Subfields.

ǂ2 Source of term

A MARC code that identifies the source list from which the index term was assigned. Use only when the 2nd indicator value is 7. See Occupation Term Source Codes.

656   7 Astronomers. ǂ2 onet
ǂ3 Materials specified

For information about subfield ǂ3, see Control Subfields.

656   7 Soldiers. ǂ2 lcsh ǂ3 John Allen Letters
ǂ6 Linkage

Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.

Indexing

Field 656 is not indexed.

MARC 21

For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 656.