651 SUBJECT ADDED ENTRY--GEOGRAPHIC NAME (R)
Indicators First Undefined; contains a blank (#) Second Subject heading system/thesaurus 0 Library of Congress Subject Headings/LC authority files 1 LC subject headings for children's literature 2 Medical Subject Headings/NLM authority files 3 National Agricultural Library subject authority file 4 Source not specified 5 Canadian Subject Headings/NLC authority file 6 Repertoire des vedettes-matiere/NLC authority file 7 Source specified in subfield $2
Subfield Codes $a Geographic name (NR) $b Geographic name following place entry element (R) OBSOLETE $v Form subdivision (R) $x General subdivision (R) $y Chronological subdivision (R) $z Geographic subdivision (R) $2 Source of heading or term (NR) $3 Materials specified (NR) $6 Linkage (NR)