|
|
|
|
Input Standards |
| Optional/Optional |
| 1st Indicator Level of subject |
 |
No information provided |
| 0 |
No level specified |
| 1 |
Primary |
| 2 |
Secondary |
| 2nd Indicator Undefined |
| |
Undefined |
| Subfields (R=Repeatable NR=Nonrepeatable) |
Input Standards |
| ‡a |
Focus term (R)
|
Required if applicable/Required if applicable |
| ‡b |
Non-focus term (R)
|
Required if applicable/Required if applicable |
| ‡c |
Facet/hierarchy designation (R)
|
Mandatory/Mandatory |
| ‡e |
Relator term (R)
|
Optional/Optional |
| ‡v |
Form subdivision (R)
|
Required if applicable/Required if applicable |
| ‡y |
Chronological subdivision (R)
|
Required if applicable/Required if applicable |
| ‡z |
Geographical subdivision (R)
|
Required if applicable/Required if applicable |
| ‡2 |
Source of heading or term (NR)
|
Mandatory/Mandatory |
| ‡3 |
Materials specified (NR)
|
Optional/Optional |
| ‡4 |
Relator code (R)
|
Optional/Optional |
Definition |
A topical subject constructed from a faceted vocabulary (e.g., the Art and Architecture Thesaurus [AAT]). |
1st Indicator |
Level of subject. The level of the subject entry. Use the 1st indicator to distinguish primary and secondary descriptors. |
|
|
No information provided. No information as to the level of the subject term is provided.
| 654 |
|
|
‡ c r ‡ a country houses ‡ c z ‡ b Great Britain ‡ c y ‡ b 18th century. ‡ 2 aat |
| [Heading: country houses-Great Britain-18th century] | | |
|
| 0 |
No level specified. The level of the subject term could be determined, but is not specified.
| 654 |
0 |
|
‡ c r ‡ a landscape gardens ‡ c y ‡ b18th century ‡ c z ‡ b England. ‡ 2 aat |
| [Heading: landscape gardens-18th century-England] | | |
|
| 1 |
Primary. A subject covers the main focus or subject content of the material.
| 654 |
1 |
|
‡ c k ‡ a interior design. ‡2 aat |
| [Heading: interior design] | | |
|
| 2 |
Secondary. A subject covers a less important aspect of the content of the material.
| 654 |
2 |
|
‡ c r ‡ a housing. ‡2 aat |
| [Heading: housing] | | |
2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank ( ). |
|
|
Undefined | |
Subfields |
|
|
‡a Focus term |
A term which is considered the focus term. A focus term is the activity, being, concrete thing or idea forming the basis of the index entry. Repeat subfield ‡ a when there is more than one expression in the field.
| 654 |
|
|
‡ c f ‡ b Romanesque ‡ c m ‡ b stone ‡ c r ‡ a churches ‡c k ‡ a renovation. ‡ 2 aat |
| [Heading: Romanesque stone churches-renovation] | |
|
‡b Non-focus term |
A term other than the focus term.
| 654 |
|
|
‡ c m ‡ b charcoal ‡ c v ‡ a drawings ‡ c z ‡ b Great Britain ‡c y ‡ b 18th century. ‡ 2 aat |
| [Heading: charcoal drawings-Great Britain-18th century] | |
|
‡c Facet/hierarchy designation |
A designation identifying the facet/hierarchy designation for each term found in subfields ‡ a and ‡ b. The designations and their associated facets/hierarchies are found in the thesaurus identified in subfield ‡ 2. Data in subfield ‡ c always precedes the data to which it is associated.
| 654 |
|
|
‡ c d ‡ b blue ‡ c f ‡ b Baroque ‡ c t ‡ a pitchers. ‡ 2 aat |
| [Heading: blue Baroque pitchers] | |
|
‡e Relator term |
Contains the term that indicates the relationship between the faceted topical term used as a subject added entry and the described materials. See the MARC Code Lists for Relators, Sources, Descriptive Conventions (
http://www.loc.gov/marc/relators/relahome.html). |
|
‡v 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 a faceted topical term. Use subfield ‡v also for form terms when they function as indicated above. Use subfield ‡x if the terms function as general subdivisions. A form subdivision in subfield ‡v is generally the last subfield in the field. Repeat subfield ‡v if you use more than one form subdivision. |
|
‡y Chronological subdivision |
A subject subdivision that represents a period of time. Use only when a chronological subject subdivision is added to a main term.
| 654 |
0 |
|
‡ c r ‡ a landscape ‡ y 18th century ‡ z England. ‡ 2 aat |
| [Heading: landscape-18th century-England] | |
|
‡z Geographical subdivision |
A geographic subject subdivision. Use only when a geographic subject subdivision is added to a main term.
| 654 |
|
|
‡ c v ‡ a drawings ‡ c z ‡ b Great Britain. ‡ 2 aat |
| [Heading: drawings-Great Britain] | |
|
‡2 Source of heading or term |
A MARC code that identifies the source list from which the heading in a subject added entry was assigned. See MARC Code Lists for Relators, Sources, Descriptive Conventions (
http://www.loc.gov/marc/relators/relahome.html).
| 654 |
|
|
‡ c v ‡ a bibliographies. ‡ 2 aat |
| [Heading: bibliographies] | |
|
‡3 Materials specified |
The part of the described materials to which the field applies.
| 654 |
|
|
‡ 3 business letters ‡ c r ‡ a housing ‡ c z ‡ b United States. ‡ 2 aat |
| [Heading: business letters: housing-United States] | |
|
‡4 Relator code |
Contains the MARC code that indicates the relationship of the entry to the item. See the MARC Code Lists for Relators, Sources, Descriptive Conventions
(
http://www.loc.gov/marc/relators/relahome.html). |
Printing |
Field 654 does not print. |
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