Kienzle-Focacci, Maria Novella(5)
Levrat, Bernard (1936-2020)(5)
International Conference on High-Energy Physics (13. : 1966 : Berkeley, California) (1966-)(4)
Symposium on High Energy Accelerators and Pion Physics (1956 : Genf) (1956-)(4)
Rencontres Internationales de Gen`eve(3)
Conference on New Sources of Energy (1961 : Rom) (1961-1961)(2)
Schweizerische Janusz-Korczak-Gesellschaft (Genf) (1980-)(2)
Vereinte Nationen. Department of Public Information (1946-)(2)
Aserbaidschanische Janusz-Korczak-Gesellschaft (Baku)(1)