Authority 050 szerkesztése (szakasz)

== FIELD DEFINITION AND SCOPE ==


:Call/and or class number for a series when all or part of the series is classified as a collected set or with the main series (646, Series Classification Practice, subfield $a, code c or m). The classification number is taken from the ''Library of Congress Classification'' and/or the ''LC Classification Additions and Changes'' that are maintained by the Library of Congress.

:May also contain the volumes/dates to which the number applies. Varying numbers for different ranges of volumes/dates within a series or different copies or sets are contained in separate 050 fields.

:Organizations may conform to Library of Congress practice by applying ''Subject Cataloging Manual: Classification conventions''.