{
  "barcode": {
    "new": "0 47875 32409 1"
  },
  "comments": {
    "new": "ISBN: 1-58416-618-5"
  },
  "ring_codes": {
    "new": "32409103US R1N IFPI L250 21 IFPI 4162",
    "old": "32409103US R1N IFPI L250 21"
  },
  "serial": {
    "new": "32409.103.US"
  }
}