CC BY 3.0International Federation of Library Associations and Institutions (IFLA)2025-02-262025-02-261977-09https://repository.ifla.org/handle/20.500.14598/3870Commemorative pin made for IFLA's 50th Anniversary and distributed during the IFLA 1977 World Congress of Librarians in Brussels, Belgium, which took place from 3-10 September 1977.enhttps://creativecommons.org/licenses/by/3.0/Library and information historyWorld Library and Information CongressInternational librarianshipNon-governmental organizationsOtherInternational Federation of Library Associations and Institutions (IFLA)