Authroity 448 szerkesztése (szakasz)

== GUIDELINES FOR APPLYING CONTENT DESIGNATORS ==


:Most of the content designators defined for field 448 are the same as those defined for field 148 (Heading-Chronological Term), field 548 (See Also From Tracing-Chronological Term), and field 748 (Established Heading Linking Entry-Chronological Term). Description, guidelines, and input conventions for shared content designators are given in the [http://www.loc.gov/marc/authority/adx48.html X48 Chronological Terms-General Information] section.

:Guidelines for using subfield $w (Control subfield), subfield $i (Relationship information), and subfield $4 (Relationship code) in field 448 are given in the [http://www.loc.gov/marc/authority/adtracing.html Tracings and References-General Information] section.

:EXAMPLES
									
:::148 	##$a1800-1899
:::'''448''' 	##$aNineteenth century
									
:::148 	##$a1900-1999
:::'''448''' 	##$aTwentieth century


<p align="right">[[Kezdőlap]] - [[A MARC21 authority formátum]] - [[Authority 4XX]]</p>