MARC21       600     Subject Added Entry--Personal Name (R)
  Subfields: 
             $a   Personal name
             $b   Numeration
             $c   Titles and other words associated with a name (R)
             $d   Dates associated with a name
             $e   Relator term (R)
             $f   Date of a work
             $n   Number of part/section (R)
             $p   Name of part/section (R)
             $q   Fuller form of name
             $s   Version
             $t   Title
             $u   Affiliation
             $v   Form subdivision [NEW]
             $x   General subdivision (R)
             $y   Chronological subdivision (R)
             $z   Geographic subdivision (R)
             $2   Source of heading or term
             $4   Relator code (R)
             $6   Linkage

 Indic/etc.: 1st: Type of personal name entry element
             0 Forename
             1 Multiple and single surnames
             2 Multiple surname [obs.]
             3 Family name
             2nd: 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