Authority 180

First Indicator

Undefined

'#' - Undefined

Undefined

'#' - Undefined

$v - Form subdivision (R)

$x - General subdivision (R)

$y - Chronological subdivision (R)

$z - Geographic subdivision (R)

$6 - Linkage (NR)

$8 - Field link and sequence number (R)

Topical, form, or language term used as a heading in a subdivision record.

Guidelines for applying the content designators defined for field 180 and input conventions are given in the X80 General Subdivisions-General Information section.

EXAMPLES

180 ##$xPeriodicals$vIndexes

180 ##$xAbnormalities

180 ##$xCriticism, interpretation, etc.$xHistory$yMiddle Ages, 600-1500

180 ##$xRussian$vDictionaries

180 ##$xPolitical aspects

180 ##$xRhetoric$xAbility testing

180 ##$xArabic

180 ##$xCivilization$y16th century

180 ##$xHistory$y18th century$xExhibitions

180 ##$xNuclear reactor safety$y1975-1985$zUnited States