BIB-341

{
  "341": {
    "ind1": "0",
    "ind2": " ",
    "subfields": [
      {
        "a": "auditory"
      },
      {
        "b": "captions"
      },
      {
        "2": "[code for accessibility feature]"
      }
    ]
  }
}

{
  "341": {
    "ind1": " ",
    "ind2": " ",
    "subfields": [
      {
        "a": "auditory"
      },
      {
        "b": "captions"
      },
      {
        "2": "[code for accessibility feature]"
      }
    ]
  }
}

{
  "mainEntity": {
    "instanceOf": {
      "@type": "Text",
      "contentAccessibility": [
        {
          "@type": "ContentAccessibility",
          "label": "auditory",
          "marc:textualAssistiveFeatures": [
            "captions"
          ],
          "source": {
            "@type": "Source",
            "code": "[code for accessibility feature]"
          }
        }
      ]
    }
  }
}