resourceType
$a
property
$z
addProperty
$2
link
resourceType
property
NOTE:LC
convert code to URI from http://id.loc.gov/vocabulary/nationalbibschemes ; if necessary convert to lower-case letters
TODO
restrictedTo
http://www.loc.gov/standards/sourcelist/national-bibliography.html
$6
Exempel: -
MARC
{
  "015": {
    "ind1": " ",
    "ind2": " ",
    "subfields": [
      {
        "a": "GBA3-81295"
      }
    ]
  }
}
JSON-LD
{
  "mainEntity": {
    "identifiedBy": [
      {
        "@type": "NBN",
        "value": "GBA3-81295"
      }
    ]
  }
}