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| = 5XX Fields Tracing and References - General Information = | | = 5XX Fields Tracing and References - General Information = |
| '''PFAN''' | | '''PFAN''' |
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| + | '''Subfield Codes:''' |
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| + | $ i – Relationship information may be used in either AACR2 or RDA NARs to indicate relationships between authorized access points. |
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| + | '''$w - Control subfield in 5XX See Also Tracing fields''' |
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| + | ____/0 Special relationship |
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| + | Use code "n" (Not applicable) when neither code "a" nor "b" nor "r" applies and a subsequent character position in subfield $w is coded. |
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| + | r – must be used when subfield $i or $4 are used in NARs |
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| + | Do not use the following codes: |
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| + | d - Acronym |
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| + | f - Musical composition |
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| + | h - Narrower term |
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| + | i - Reference instruction phrase in subfield $i |
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| + | t - Immediate parent body |
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| + | ____/1 Tracing use restriction |
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| + | Use code "n" (Not applicable) when a subsequent character position in subfield $w is coded. |
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| + | Do not use the following codes: |
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| + | a - Name reference structure only |
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| + | b - Subject reference structure only |
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| + | c - Series reference structure only |
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| + | d - Name and subject reference structures |
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| + | e - Name and series reference structures |
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| + | f - Subject and series reference structures |
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| + | g - Name, subject, and series reference structures |
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| + | ____/2 Earlier form of heading |
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| + | Use code "n" (Not applicable) when a subsequent character position in subfield $w is coded. |
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| + | Do not use the following codes: |
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| + | a - Pre-AACR 2 form of heading (national name authority file) |
| + | |
| + | e - Earlier established form of heading (national authority file) |
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| + | o - Earlier established form of heading (other authority file) |
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| + | ____/3 Reference display |
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| + | Code "n" (Not applicable) allows the generation of a cross reference and need not be coded in subfield $w/3. |
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| + | Do not use the following codes: |
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| + | b - Reference not displayed, field 664 used |
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| + | d - Reference not displayed, field 665 used |
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| + | Use code "a" (Reference not displayed) or "c" (Reference not displayed, field 663 used) when appropriate for suppressing a cross reference display. |
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