COMARC/B Format for Bibliographic Data

PDFCOMARC/BFebruary2021

606 Topical name used as subject

This field contains a common noun used as a subject heading.

Subfields & repeatability

FIELD/SUBFIELDREPEATABILITY
606Topical name used as subjectr
aEntry elementnr
xTopical subdivisionr
yGeographical subdivisionr
wForm subdivisionr
zChronological subdivisionr
2System codenr
3Authority record numbernr
6Linking datanr
9Previous authority record number*nr

Indicators

INDICATORVALUEMEANING
1Name display indicator*
⊔No value
0Not displayed**
1Displayed in catalogues**
2Displayed in bibliographies**
3Displayed in catalogues and bibliographies**
2Not defined

SUBFIELDS

606a Entry element

The term in the form prescribed by the subject system used.

606x Topical subdivision

A term added to further specify the topic that the subject heading represents (see examples 2, 3, 6, 11, 12).

606y Geographical subdivision

A term to further specify a place in relation to the topic that the subject heading represents (see examples 2, 4).

606z Chronological subdivision

A term to further specify the time period in relation to the topic that the subject heading represents (see example 5).

606w Form subdivision

A term to further specify the kind or genre of the material (see examples 7, 8, 11).

6062 System code

Code of the system or subject heading list (thesaurus) from which the subject heading is derived. It is recommended that this subfield is always filled in in a field 606.

6063 Authority record number

Identification number of an authority record for a common noun (see examples 9, 10).

6066 Linking data

A two-digit number (01–99) for linking the 606 fields with the corresponding 966 fields (see example 11).

6069 Previous authority record number*

This subfield is generated automatically in the compatibility process of bibliographic and authority records that are marked to be deleted.

If field 606 is linked to such authority record, the identification number of the authority record, that is used instead of the "deleted" record, is entered automatically in subfield 3 during the compatibility process; the former content of subfield 3 is transferred into subfield 9.

NOTES ON FIELD CONTENTS

This field contains data entered in accordance with the subject system used.

Depending on the system, this field can either be used to enter only common nouns (with authorized access points from field 250 of the COMARC/A format) or both common nouns and genre/form entities (with authorized access points from field 280 of the COMARC/A format) when used as subject headings (see example 6).

RELATED FIELDS

607GEOGRAPHICAL NAME USED AS SUBJECT
When the subject heading is a geographical name, field 607 is used.
609FORM HEADING*
Field 609 is used as an indication of the form, genre and/or physical characteristics of the resource being described.

EXAMPLES

  1. 606⊔⊔aPulmonary artery xCatheterization xHandbooks, manuals, etc 2lc
    606⊔⊔aPulmonary artery xHemodynamic monitoring xHandbooks, manuals, etc 2lc
    606⊔⊔aHeart Catheterization xCatheterization xinstrumentation xhandbooks 2mesh
    606⊔⊔aHeart Catheterization xCatheterization xinstrumentation xnurses' instruction 2mesh
    606⊔⊔aMonitoring, Physiologic xhandbooks 2mesh
    606⊔⊔aMonitoring, Physiologic xnurses' instruction 2mesh
    (Both Library of Congress and Medical subject headings have been assigned to the record for Memory bank for hemodynamic monitoring: the pulmonary artery catheter. The record predates the implementation of the subfield for form subdivision.)
  2. 6060⊔aScaffolding xSafety measures 2lc
    6060⊔aConstruction equipment yGreat Britain 2lc
    (Subject headings assigned to the record for Safety in construction work by the Health and Safety Executive.)
  3. 6060⊔aNuclear energy xHistory 2lc
  4. 6060⊔aTrees yUnited States 2lc
  5. 6060⊔aArts, Modern z20th century 2lc
  6. 6061⊔aBiology xPeriodicals 2lc
    (The resource is about periodicals on biology.)
  7. 6061⊔aBiology wPeriodicals 2lc
    (The resource is a periodical on biology.)
  8. 6060⊔aVocal music wBibliography wUnion lists 2lc

  9. *

    606⊔⊔351560 aZakonska zveza 2SGC

  10. *

    606⊔⊔31342056 aSociologija religije 2SGC

  11. *

    606⊔⊔aNaravno zdravljenje wPriročniki 2NUK 601
    606⊔⊔aSoli dr. Schüßlerja xUporaba wPriročniki 2NUK 602
    966⊔⊔anaturopatija 2NUK 601
    966⊔⊔aminerali dr. Schüßlerja 2NUK 602
    (Subject heading in the record for the book V utripu življenja: minerali dr. Schüßlerja.)

  12. * COBISS.net

    606⊔⊔aКнижевно преведување xЕкспресивна лексика 2MK
Prev   Next
605 Title used as subject Home 607 Geographical name used as subject