Körperschafts-Normdaten
          
               
               
               
MARC21       087     Government Document Classification Number (R)
  Subfields: 
             $a   Classification number element--Single number or beginning number of
                     span
             $b   Classification number element--Ending number of span
             $c   Explanatory information (R)
             $2   Number source

 Indic/etc.: 1st: Number source
             # Source specified in subfield $2
             0 Superintendent of Documents Classification System
             1 Government of Canada Publications: Outline of Classification
             2nd: Undefined; contains a blank (#)