{
  "comments": {
    "new": "Volume Label: YDKJ_V_2\n\nISBN: 0-87177-986-2\n\n<b>Sierra ID</b>: 20245 (Manual), 20246 (Jewel Back Insert)\n\nPC/Mac Hybrid",
    "old": "PC/Mac Hybrid\n\nISBN: 0-87177-986-2"
  },
  "ring_codes": {
    "new": "MFG BY CREST NATIONAL - CA\t8435\t5 S20243 + + IFPI LF72 CREST NATL. CA.\nSWS106-34-22038\tC1.1\t116659-02 IFPI L891 IFPI 4R03, IFPI 4R02",
    "old": "MFG BY CREST NATIONAL - CA\t8435\t5 S20243 + + IFPI LF72 CREST NATL. CA.\nSWS106-34-22038\tC1.1\t116659-02 IFPI L891 IFPI 4R03"
  }
}