{"categories":[{"id":"objectids","name":"Objects identifiers"}],"classification":"identifier","doc":"The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase ISBNs from an affiliate of the International ISBN Agency","examples":[{"description":"Hamlet, Prince of Denmark","value":"0-521-29366-9"},{"description":"Hamlet, Prince of Denmark","value":"0-521-22151-X"}],"id":"isbn13","is_pii":false,"langs":[{"id":"common","name":"Common to most languages"}],"links":[{"type":"wikipedia"},{"url":"https://en.wikipedia.org/wiki/International_Standard_Book_Number"},{"type":"wikidata","url":"https://www.wikidata.org/wiki/Property:P212"}],"name":"International Standard Book Number 13-digits (ISBN13)","regexp":"\\d[\\d\\-]{15}\\d","type":"datatype","wikidata_property":"P212"}