MARC21       008m'26  Type of computer file
     Values: 
              a   Numeric data
              b   Computer program
              c   Representational
              d   Document
              e   Bibliographic data
              f   Font
              g   Game
              h   Sound
              i   Interactive multimedia [NEW]
              j   Online system or service [NEW]
              m   Combination
              u   Unknown
              z   Other