785 SUBDIVISION LINKING ENTRY FORM SUBDIVISION (R)
Indicators First Undefined; contains a blank (^) Second Thesaurus 0 Library of Congress Subject Headings 1 LC subject headings for children's literature 2 Medical Subject Headings 3 National Agricultural Library subject authority file 4 Source not specified 5 Canadian Subject Headings 6 Repertoire des vedettes-matiere 7 Source specified in subfield $2
Subfield Codes $u Record control number [OBSOLETE] $v Form subdivision (R) $w Control subfield (NR) /0 Link display a Link not displayed b Link not displayed, field 788 used c Link not displayed, non-7XX field used n Not applicable /1 Replacement complexity a Heading replacement does not require review b Heading replacement requires review n Not applicable $x General subdivision (R) $y Chronological subdivision (R) $z Geographic subdivision (R) $0 Record control number (R) $2 Source of heading or term (NR) $5 Institution to which field applies (R) $6 Linkage (NR) $8 Linking