Freie Notation
        engl.: Other class number
               
               
               
Pica+        045E    
Pica3        5050    
   Struktur: Notation
             _;_Zweite Notation
             _;_jede weitere Notation

MAB          700     Sachgruppen der Deutschen Bibliothek
MAB          700p    SSD


MARC21       072     Subject Category Code (R)
  Subfields: 
             $a   Subject category code
             $x   Subject category code subdivision (R)
             $2   Code source
             $6   Linkage

 Indic/etc.: 1st: Undefined; contains a blank (#)
             2nd: Code source
             0 National Agricultural Library subject category code list
             7 Code source specified in subfield $2
             
UNIMARC      686     (R)
  Subfields: 
             $a   Class number
             $b   Book number, Cutter number
             $c   Classification subdivision
             $d   System code (App.G)

 Indic/etc.: Indic. blank
             
UNIMARC      615     Subject category [provisional]

  Subfields: 
             $a   Entry element
             $x   Subdivision text
             $n   Subject category code
             $m   Subdivision code
             $2   System code
             $3   Authority record number



allegro      #30     Lokale Systematiknotation
        Anm. Mehrfachtrennung: Blank
  ...        #30a    Sachgruppe
        Anm. verwendbar für eine Grobsystematik