{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/michigan-state-university/main/json-schema/michigan-state-university-record-schema.json",
  "title": "MSU Libraries Catalog Record",
  "description": "JSON Schema for a bibliographic record returned by the MSU Libraries VuFind REST API (Library Catalog v11.0.4). Derived from the published OpenAPI 3.0.3 Record schema.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Record unique identifier"
    },
    "uuid": {
      "type": "string",
      "description": "Universally unique identifier"
    },
    "bibnum": {
      "type": "string",
      "description": "Bibliographic record number"
    },
    "title": {
      "type": "string",
      "description": "Title"
    },
    "shortTitle": {
      "type": "string",
      "description": "Short title without subtitle"
    },
    "subTitle": {
      "type": "string",
      "description": "Subtitle"
    },
    "titleSection": {
      "type": "string",
      "description": "Title section"
    },
    "titleStatement": {
      "type": "string",
      "description": "Title statement"
    },
    "edition": {
      "type": "string",
      "description": "Edition"
    },
    "formats": {
      "type": "array",
      "description": "Formats",
      "items": { "type": "string" }
    },
    "languages": {
      "type": "array",
      "description": "Languages",
      "items": { "type": "string" }
    },
    "publishers": {
      "type": "array",
      "description": "Publishers",
      "items": { "type": "string" }
    },
    "publicationDates": {
      "type": "array",
      "description": "Publication dates",
      "items": { "type": "string" }
    },
    "placesOfPublication": {
      "type": "array",
      "description": "Places of publication",
      "items": { "type": "string" }
    },
    "isbns": {
      "type": "array",
      "description": "ISBNs",
      "items": { "type": "string" }
    },
    "issns": {
      "type": "array",
      "description": "ISSNs",
      "items": { "type": "string" }
    },
    "cleanIsbn": {
      "type": "string",
      "description": "First valid ISBN favoring ISBN-10 over ISBN-13"
    },
    "cleanIssn": {
      "type": "string",
      "description": "First valid ISSN"
    },
    "cleanDoi": {
      "type": "string",
      "description": "First valid DOI"
    },
    "cleanOclcNumber": {
      "type": "string",
      "description": "First valid OCLC number"
    },
    "oclc": {
      "type": "array",
      "description": "OCLC numbers",
      "items": { "type": "string" }
    },
    "lccn": {
      "type": "string",
      "description": "LCCN"
    },
    "callNumbers": {
      "type": "array",
      "description": "Call numbers",
      "items": { "type": "string" }
    },
    "buildings": {
      "type": "array",
      "description": "Buildings where the record is held",
      "items": { "type": "string" }
    },
    "institutions": {
      "type": "array",
      "description": "Institutions",
      "items": { "type": "string" }
    },
    "bibliographicLevel": {
      "type": "string",
      "description": "Bibliographic level",
      "enum": ["Monograph", "Serial", "MonographPart", "SerialPart", "Collection", "CollectionPart", "Unknown"]
    },
    "authors": {
      "type": "object",
      "description": "Deduplicated author information including primary, corporate and secondary authors",
      "properties": {
        "primary": { "type": "object", "additionalProperties": { "$ref": "#/$defs/AuthorWithRoles" } },
        "secondary": { "type": "object", "additionalProperties": { "$ref": "#/$defs/AuthorWithRoles" } },
        "corporate": { "type": "object", "additionalProperties": { "$ref": "#/$defs/AuthorWithRoles" } }
      }
    },
    "subjects": {
      "type": "array",
      "description": "Subjects",
      "items": { "$ref": "#/$defs/Subject" }
    },
    "series": {
      "type": "array",
      "description": "Series",
      "items": { "type": "string" }
    },
    "summary": {
      "type": "array",
      "description": "Summary notes",
      "items": { "type": "string" }
    },
    "physicalDescriptions": {
      "type": "array",
      "description": "Physical descriptions",
      "items": { "type": "string" }
    },
    "urls": {
      "type": "array",
      "description": "URLs",
      "items": { "$ref": "#/$defs/Url" }
    },
    "recordPage": {
      "type": "string",
      "description": "Record page URL in the catalog UI"
    },
    "isCollection": {
      "type": "boolean",
      "description": "Whether the record is a collection"
    },
    "childRecordCount": {
      "type": "integer",
      "description": "Number of child records"
    }
  },
  "$defs": {
    "AuthorWithRoles": {
      "type": "object",
      "properties": {
        "role": {
          "type": "array",
          "description": "Author's roles",
          "items": { "type": "string" }
        }
      }
    },
    "Subject": {
      "type": "object",
      "properties": {
        "heading": {
          "type": "array",
          "description": "Subject heading parts from least to most specific",
          "items": { "type": "string" }
        },
        "type": {
          "type": "string",
          "description": "Subject type",
          "enum": ["", "personal name", "corporate name", "meeting name", "uniform title", "chronological", "topic", "geographic", "genre/form", "occupation", "keyword"]
        },
        "source": {
          "type": "string",
          "description": "Subject source/thesaurus (e.g. lcsh, mesh)"
        }
      }
    },
    "Url": {
      "type": "object",
      "properties": {
        "url": { "type": "string", "description": "URL" },
        "desc": { "type": "string", "description": "URL Description" }
      }
    }
  }
}