<https://help-nl.oclc.org/Metadata_Services/Fundamentals/WorldShare_Record_Manager_Fundamentals/Constant_data_Fundamentals/Bibliographic_constant_data_Fundamentals>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://help-nl.oclc.org/Metadata_Services/Fundamentals/WorldShare_Record_Manager_Fundamentals/Constant_data_Fundamentals>