688 Subject Added Entry--Type of Entity Unspecified (R)
Record Type |
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BIB |
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Input Standards |
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| Field (Full/Minimal) | ||
| Optional/Optional | ||
| 1st Indicator Undefined | ||
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Undefined | |
| 2nd Indicator Source of name, title, or term | ||
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No information provided | |
| 7 | Source specified in subfield ǂ2 | |
| Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
| ǂa | Name, title, or term (NR) | Mandatory/Mandatory |
| ǂe | Relator term (R) | Required if applicable/Required if applicable |
| ǂg | Miscellaneous information (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 name, title, or term (NR) | Required if applicable/Required if applicable |
| ǂ3 | Materials specified (NR) | Optional/Optional |
| ǂ4 | Relationship (R) | Optional/Optional |
| ǂ6 | Linkage (NR) | System supplied/System supplied |
| ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
Subject access point in which the entity type of the entry element is unspecified. The field is used if no information is provided to identify the type of entity to which the subject heading belongs. Subject headings that are not constructed by standard thesaurus-building conventions are recorded in field 653. |
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1st Indicator |
Undefined. For information about 1st indicator position, see Subjects--General Information.
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2nd Indicator |
Source of name, title, or term. For information about the 2nd indicator position, see Subjects--General Information. |
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Subfields |
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| ǂa Name, title, or term | For information about subfield ǂa, see Subjects--General Information.
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| ǂe Relator term | For information about subfield ǂe, see Subjects--General Information. |
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| ǂg Miscellaneous information | For information about subfield ǂg, see Subjects--General Information. |
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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 name, title, or term | For information about subfield ǂ2, see Control Subfields.
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| ǂ3 Materials specified | For information about subfield ǂ3, see Control Subfields. |
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| ǂ4 Relationship | For information about subfield ǂ4, 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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Punctuation |
For information about punctuation, see Subjects--General Information. For more information on punctuation, including OCLC policy, see section 2.8, Punctuation. |
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Indexing |
Field 688 is not indexed. |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 688. |