CC BY 3.0International Federation of Library Associations and Institutions (IFLA)2025-01-172025-01-171977-09https://repository.ifla.org/handle/20.500.14598/3776IFLA Staff member Dia van Vliet (wearing IFLA T-shirt) at the "Fifty Years of IFLA" display during the 1977 IFLA World Congress of Librarians in Brussels, Belgium. Verso reads: "IFLA Staff in action, Brussels, 1977 (Dia van Vliet)"https://creativecommons.org/licenses/by/3.0/Non-governmental organizationsLibrary and information historyInternational librarianshipWorld Library and Information CongressOtherInternational Federation of Library Associations and Institutions (IFLA)