All

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     L01.178.147.668.800 Videodisc Recording D014742 +
       L01.178.147.668.800.250 Compact Disks D016250 +
 L01 Information Science D007254 +
  L01.178 Communications Media D003146 +
   L01.178.147 Audiovisual Aids D001296 +
    L01.178.147.898 Television D013690 +
     L01.178.147.898.800 Videodisc Recording D014742 +
       L01.178.147.898.800.250 Compact Disks D016250 +
 L01 Information Science D007254 +
  L01.240 Copying Processes D003308 +
   L01.240.960 Video Recording D014741 +
    L01.240.960.800 Videodisc Recording D014742 +
      L01.240.960.800.250 Compact Disks D016250 +