647 Subject Added Entry--Named Event (R)
Record Type |
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BIB |
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Input Standards |
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| Field (Full/Minimal) | ||
| Required if applicable/Optional | ||
| 1st Indicator Undefined | ||
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Undefined | |
| 2nd Indicator Thesaurus | ||
| 0 | Library of Congress Subject Headings | |
| 1 | LC subject heading for children's literature | |
| 2 | Medical Subject Headings | |
| 3 | National Agricultural Library subject authority file | |
| 4 | Source not specified | |
| 5 | Canadian Subject Headings | |
| 6 | Répertoire de vedettes-matière | |
| 7 | Source specified in subfield ǂ2 | |
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
| ǂa | Named event (NR) | Mandatory/Mandatory |
| ǂc | Location of named event (R) | Required if applicable/Required if applicable |
| ǂd | Date of named event (NR) | Required if applicable/Required if applicable |
| ǂg | Miscellaneous information (R) | 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 heading or term (NR) | Required if applicable/Required if applicable |
| ǂ3 | Materials specified (NR) | Optional/Optional |
| ǂ6 | Linkage (NR) | System supplied/System supplied |
| ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
Subject added entry in which the entry element is a named event. Named events are those that cannot be regarded as responsible agents, e.g., battles, earthquakes, famines, financial crises, fires, hurricanes, riots, strikes, volcanic eruptions, wars, etc. Named events that can be regarded as responsible agents such as meetings or conferences as well as athletic contests, competitions, expeditions, expositions, fairs, festivals, sports events, tournaments, etc., are recorded in field 611. Subject added entries are assigned to a bibliographic record to provide access according to generally accepted thesaurus-building rules (e.g., Faceted Application of Subject Terminology (FAST)). Field 647 may be used by any institution assigning subject headings based on the lists and authority files identified in the 2nd indicator position or in subfield ǂ2. For information about FAST (Faceted Application of Subject Terminology) subject access points, see 6xx Introduction. |
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1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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2nd Indicator |
Thesaurus. The thesaurus or subject heading system used in constructing the subject heading. Note: Prefer use of 2nd indicator values 0, 1, 2, 3, 5, or 6 when 2nd indicator value 7 with codes lcsh, cyac (formerly lcac), mesh, nal, cash, or rvm in subfield ǂ2 would convey the same information. Prefer use of 2nd indicator value 4 instead of value 7 and subfield ǂ2 local. |
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Subfields |
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| ǂa Named event | Name of an event which cannot be regarded as a responsible agent.
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| ǂc Location of named event | Place name or a name of an institution where a named event occurred. Multiple adjacent locations are contained in repeated ǂc subfields.
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| ǂd Date of named event | Date or time period related to a named event.
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| ǂg Miscellaneous information | Data element that is not more appropriately contained in another defined subfield. |
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| ǂv Form subdivision | Form subdivision that designates a specific kind or genre of material as defined by the thesaurus being used. Subfield ǂv is appropriate only when a form subject subdivision is added to a main term. |
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| ǂx General subdivision | A subject subdivision that is not more appropriately contained in subfield ǂv, ǂy, or ǂz. Subfield ǂx is appropriate only when a general topical subdivision is added to a main term. |
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| ǂy Chronological subdivision | Subject subdivision that represents a period of time. Subfield ǂy is appropriate only when a chronological subject subdivision is added to a main term. |
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| ǂz Geographic subdivision | Geographic subject subdivision. Subfield ǂz is appropriate only when a geographic subject subdivision is added to a main term. |
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| ǂ0 Authority record control number or standard number | For information about subfield ǂ0, see Control Subfields.
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| ǂ1 Real World Object URI | For information about subfield ǂ1, see Control Subfields. |
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| ǂ2 Source of heading or term | A MARC code that identifies the source list from which the subject added entry was assigned. Use only when the 2nd indicator value is 7. See Subject Heading and Term Source Codes.
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| ǂ3 Materials specified | For information about subfield ǂ3, see Control Subfields. |
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| 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. |
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| ǂ8 Field link and sequence number | For information about subfield ǂ8, see Control Subfields. |
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Indexing |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 647. |
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This page last revised: November 4, 2022