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The alphabetic prefix indicates which system created the authority record.
Note: In-process records for proposed LC subject headings are found only in the Library of Congress online system.
Records have variable-length fields that contain coded and textual information.Each authority record may contain the established form of the heading, references, and notes.The record also contains coded data that describes characteristics of the heading or record.Numbers in the indicator positions have assigned meanings, and in some fields blank ( ) is meaningful.
Variable field indicators may have the following combinations: Subfield ‡w appears only in applicable 4xx, 5xx, and 7xx fields. Control subfield ‡w in the 4xx and 5xx fields contains four character positions (designated as ‡w/0, ‡w/1, etc).The authorization tells Connexion when you log on what actions you are authorized to take.