MARC21       008c'30-31  Literary text for sound recordings
     Values: 
              #   Item is a musical sound recording
              a   Autobiography
              b   Biography
              c   Conference proceedings
              d   Drama
              e   Essays
              f   Fiction
              g   Reporting
              h   History
              i   Instruction
              j   Language instruction
              k   Comedy
              l   Lectures, speeches
              m   Memoirs
              n   Not applicable
              o   Folktales
              p   Poetry
              r   Rehearsals
              s   Sounds
              t   Interviews
              z   Other