655 INDEX TERM--GENRE/FORM/PHYSICAL CHARACTERISTICS (R)
Indicators First Type of heading # Basic 0 Faceted Second Source of term 7 Source specified in subfield $2
Subfield Codes $a Genre/form/physical characteristics (NR) $b Non-focus term (R) $c Facet/hierarchy designation (R) $v Form subdivision (R) $x General subdivision (R) $y Chronological subdivision (R) $z Geographic subdivision (R) $2 Source of term (NR) $3 Materials specified (NR) $5 Institution to which field applies (NR)/ $6 Linkage (NR)