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MARC in Practice (2): Sub-fields and Punctuations

This article is under construction!
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The following is an example of the 245 field.

Field no. Indicators Sub-fields
245 1 0 [$a] Fast food nation : $b the dark side of all-American meal / $c Eric Schlosser

(An explanation: the $ mark is called delimitor [on Connexion, it is presented by a double dagger; and on Millennium, a pipe line]. Its function is to separate each sub-field. A subfield is marked as $a, $b, $c, etc. [on Connexion, when $a is at the beginning of the field, it is omited])

 

1. Punctuations in sub-fields
Probably, the most important thing to remember about punctuations in a MARC record is the fact that each specific punctuation is an un-separable part of the sub-field led by it! In other words, if a certain sub-field is absent, then the specific punctuation that preceeds that sub-field will also be absent. In the above example, if there is no $b sub-field (i.e. when the book has no sub-title), then there will be no colon, and the 245 will look like:

245 10 Fast food nation / $c Eric Schlosser

2. The two indicators

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More MARC fields to get familiar with

Co-relation between variable fields and fixed fields


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