| First Indicator Undefined # - Undefined |
Second Indicator Undefined # - Undefined |
| Subfield Codes |
|
| $a - Topical term or geographic name entry element (NR) $b - Topical term following geographic name entry element (NR) $v - Form subdivision (R) $x - General subdivision (R) |
$y - Chronological subdivision (R) $z - Geographic subdivision (R) $6 - Linkage (NR) $8 - Field link and sequence number (R) |
In an established heading record, field 150 contains the established form of a topical term. In records for references and node labels, this field contains an unestablished form of a topical term.
Guidelines for applying the content designators defined for field 150 and input conventions are given in the X50 Topical Terms-General Information section.
| 150 | ##$aCatalogue . . . | ||||||||
| 150 | ##$abiographies by form | ||||||||
| 150 | ##$aJohn, the Baptist, Saint, in the Koran | ||||||||
| 150 | ##$aBible and atheism | ||||||||
| 150 | ##$aGreece in textbooks | ||||||||
| 150 | ##$aHurricane Flora, 1963 | ||||||||
| 150 | ##$aSalvation$xPrayer-books and devotions$xEnglish, [French, German, etc.]$xHistory and criticism | ||||||||
| 150 | ##$aEnglish language$yMiddle English, 1100-1500$xGrammar | ||||||||
| 150 | ##$aDrama$y17th century | ||||||||
| 150 | ##$aGeology, Stratigraphic$yCarboniferous | ||||||||
| 150 | ##$aFrench language$yEarly modern, 1500-1700$vGlossaries, vocabularies, etc. | ||||||||
| 150 | ##$aEtching, Spanish$y18th century | ||||||||
| 150 | ##$aÜberhaupt (The German word) | ||||||||
| 150 | ##$aLa Plata dolphin | ||||||||
| 150 | ##$aAfrihili (Artificial language) | ||||||||
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