The 28th joined meeting of the CIDOC CRM SIG and ISO/TC46/SC4/WG9 and the 21st FRBR - CIDOC CRM Harmonization meeting, with representatives of the CIDOC CRM SIG and the IFLA FRBR Review Group, and the meeting of CIDOC Co-reference Working Group will take place in Stockholm at Riksarkivet (The National Archives).