RDA s content has been developed in a collaborative process led by the international Joint Steering Committee (JSC). The project is overseen by the Committee of Principals representing the American Library Association (ALA), Canadian Library Association (CLA), Chartered Institute of Library and Information Professionals (CILIP, UK), Deutsche Nationalbibliothek, Library of Congress (US), Library and Archives Canada, British Library, and National Library of Australia. RDA Toolkit is co-published by ALA, CLA, and CILIP through its imprint Facet Publishing.