Vereinte Nationen. Wirtschafts- und Sozialrat (1945-) (18)
Conference on the Standardization of Geographical Names (1. : 1967 : Genf) (1967-)(15)
Conference on the Standardization of Geographical Names (2. : 1972 : London) (1972-)(1)
Dutch and German Speaking Division(1)
Technical Conference on the International Map of the World on the Millionth Scale(1)