Appropriate:
Code a (008/15) indicates that the 1XX field contains an established heading name , name/title , uniform title , topical term , or extended subject heading that conforms to subject heading system/thesaurus conventions. These headings are appropriate for use as a subject access entry in bibliographic records.
Examples:
008/15 a
008/11 a [code indicating LCSH]
150 ##$aSuper Bowl Game (Football)
008/15 a
008/11 a [code indicating LCSH]
150 ##$aBeds in literature
008/15 a
008/11 a [code indicating LCSH]
151 ##$aLoire River Valley (France)
008/15 a
008/10 c [code indicating AACR 2]
008/11 a [code indicating LCSH]
100 1#$aShai, Mordekhai
008/15 a
008/11 a [code indicating LCSH]
151 ##$aChina$xHistory$yMay Thirtieth Movement, 1925
To return, select:
008/15 Heading use - subject added entry