751 ESTABLISHED HEADING LINKING ENTRY GEOGRAPHIC NAME (R)
Indicators
First Undefined; contains a blank (^)
Second 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 Name following place as entry element [OBSOLETE]
$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
$2 Source of heading or term (NR)
$5 Institution to which field applies (R)
$6 Linkage (NR)
$8 Field link and sequence number (R)
$3 Authority record control number [OBSOLETE]