| First Indicator Undefined # - Undefined |
Second Indicator Thesaurus 0 - Library of Congress Subject Headings 1 - LC subject headings 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 $2 |
| Subfield Codes |
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| $a - Genre/form term as entry element (NR) $v - Form subdivision (R) $w - Control subfield (NR) /0 - Link display /1 - Replacement complexity $x - General subdivision (R) $y - Chronological subdivision (R) |
$z - Geographic subdivision (R) $0 - Record control number (R) $2 - Source of heading or term (NR) $5 - Institution to which field applies (R) $6 - Linkage (NR) $8 - Field link and sequence number (R) |
Genre/form term that is equivalent to the 155 genre/form term or 185 form subdivision heading field of the same record. It links headings within a system or from different thesauri or authority files.
Most of the content designators defined for field 755 are the same as those defined for field 155 (Heading-Genre/Form Term), field 455 (See From Tracing-Genre/Form Term), and field 555 (See Also From Tracing-Genre/Form Term). Description, guidelines, and input conventions for shared content designators are given in the X55 Genre/Form Terms-General Information section.
Guidelines for applying the second indicator, subfield $w (Control subfield), and subfield $2 (Source of heading or term) in field 755 are given in the 7XX Heading Linking Entries-General Information section.
Equivalent genre/form terms from different thesauri:
| 008/09 | a [established heading record] |
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| 008/11 | a [code indicating LCSH] |
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| 155 | ##$aPeriodicals$vIndexes | ||||||||
| 755 | #6$aPériodiques$vIndex [Heading from RVM] |
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| 008/09 | a [established heading record] |
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| 008/11 | v [code indicating Répertoire de vedettes-matière] |
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| 155 | ##$aPériodiques$vIndex | ||||||||
| 755 | #0$aPeriodicals$vIndexes [Heading from LCSH] |
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Topical terms used within a thesaurus both as an established heading and as a form subdivision:
| 008/09 | d [subdivision record] |
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| 008/11 | r [code indicating AAT] |
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| 185 | ##$vatlases | ||||||||
| 755 | #7$aatlases$0 [record control number] $2aat | ||||||||
| 008/09 | a [established heading record] |
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| 008/11 | r [code indicating AAT] |
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| 155 | ##$aatlases | ||||||||
| 785 | #7$vatlases$0 [record control number] $2aat | ||||||||
| (03/06/2008) | Contact Us |