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Pugwash Conference on Science and World Affairs (1957-) (7)
Institut für Internationale Beziehungen (1954-1990)(2)
Nationale Pugwash-Gruppe der DDR(2)
Pugwash Symposium (13, 1971, Frascati)(2)
Danish Preparatory Committee for the Eighth Pugwash Symposium (Kopenhagen)(1)