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New York Times (Zeitung) (1851-)(601)
Sheerness Times-Guardian (Zeitung)(34)
Pugwash Conference on Science and World Affairs (22, 1972, Oxford)(17)
Pugwash Conference on Science and World Affairs (26. : 1976 : Mühlhausen/Thüringen) (1976-)(9)
Pugwash Conference on Science and World Affairs (42. : 1992 : Berlin) (1992-)(8)