Unspezifische Titelverknüpfung
        engl.: Nonspecific relationship entry
               
               
               
               
MARC21       787     Nonspecific Relationship Entry (R)
  Subfields: 
             $a   Main entry heading
             $b   Edition
             $c   Qualifying information
             $d   Place, publisher, and date of publication
             $g   Relationship information (R)
             $h   Physical description of source
             $i   Display text [NEW]
             $k   Series data for related item (R)
             $m   Material-specific details [NEW] [NEW]
             $n   Note (R) [NEW] [NEW]
             $o   Other item identifier [NEW]
             $q   Parallel title (BK SE) [obs.]
             $r   Report number (R)
             $s   Uniform title
             $t   Title
             $u   Standard Technical Report Number
             $w   Record control number (R)
             $x   International Standard Serial Number
             $y   CODEN designation
             $z   International Standard Book Number (R)
             $6   Linkage
             $7   Control subfield
                  ** 0 Type of main entry heading
                  .... p Personal name
                  .... c Corporate name
                  .... m Meeting name
                  .... u Uniform title
                  .... n Not applicable
                  ** 1 Form of name
                  ** If$7/0 = p (Personal name):
                  .... 0 Forename
                  .... 1 Single surname
                  .... 2 Multiple surname
                  .... 3 Family name
                  ** If$7/0 = c (Corporate name) or m (Meeting name):
                  .... 0 Inverted name
                  .... 1 Jurisdiction name
                  .... 2 Name in direct order
                  ** If$7/0 = u (Uniform title) or n (Not applicable):
                  .... n Not applicable
                  ** 2 Type of record
                  .... a Language material
                  .... b Archival and manuscripts control [obs.]
                  .... c Printed music
                  .... d Manuscript music
                  .... e Printed map
                  .... f Manuscript map
                  .... g Projected medium
                  .... i Nonmusical sound recording
                  .... j Musical sound recording
                  .... k Two-dimensional nonprojectable graphic
                  .... m Computer file
                  .... o Kit
                  .... p Mixed material
                  .... r Three-dimensional artifact or 
                  .... naturally occurring object
                  .... t Manuscript language material
                  ** 3 Bibliographic level
                  .... a Monographic component part
                  .... b Serial component part
                  .... c Collection
                  .... d Subunit
                  .... m Monograph/item
                  .... s Serial

 Indic/etc.: 1st: Note controller
             0 Display note
             1 Do not display note
             2nd: Undefined; contains a blank (#)