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150 - HEADING--TOPICAL TERM (NR)
An established topical term used in main or extended subject headings in established heading records or an unestablished topical term used in these types of headings in subdivision reference or node label records.
Indicators
- First - Undefined
- # - Undefined
- Second - 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) See Control Subfields
- $8 - Field link and sequence number (R) See Control Subfields
Examples
150 |
##$aBlood |
150 |
##$aCatalogs by source |
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##$aCharacters and characteristics in literature |
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##$aBull Run 2 Battle of Va. 1862 |
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##$aScuba diving $vPeriodicals |
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##$aConflict of laws$xSupport (Domestic relations) |
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##$aGod$xHistory of doctrines$yMiddle Ages 600 |
150 |
##$aMusic$y500-1400 |
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##$aPainting Chinese$ySung-Yüan dynasties 960 etc. |
150 |
##$aChapels$zGermany (West) |
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##$aJohn the Baptist Saint in the Koran |
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##$aCatholic Church in art |
150 |
##$aBible and atheism |
150 |
##$aGreece in textbooks |
150 |
##$aHurricane Flora 1963 |
150 |
##$aÜberhaupt (The German word) |
150 |
##$aAfrihili (Artificial language) |

