653 INDEX TERM--UNCONTROLLED (R)
Indicators First Level of index term ^ No information provided 0 No level specified 1 Primary 2 Secondary Second Type of term or name ^ No information provided 0 Topical term 1 Personal name 2 Corporate name 3 Meeting name 4 Chronological term 5 Geographic name 6 Genre/form term
Subfield Codes $a Uncontrolled term (R) $6 Linkage (NR) $8 Field link and sequence number (R)