Guidelines for authority and reference entries /
International Federation of Library Associations and Institutions.Working Group on an International Authority System.
International Federation of Library Associations and Institutions.Section on Cataloguing.Standing Committee.
International Federation of Library Associations and Institutions.Section on Information Technology.Standing Committee.
International Federation of Library Associations and Institutions.International Programme for UBC.
London IFLA International Programme for UBC
1984
Authority files (Cataloging)