Kuczynski, Jürgen (1904-1997)(5)
Pugwash Conference on Science and World Affairs (15. : 1966 : Addis Abeba) (1966-)(5)
International Economic History Congress (9. : 1986 : Bern) (1986-)(4)
Pugwash Conference on Science and World Affairs (13, 1964, Karlovy Vary)(4)
International Economic Conference (1952 : Moskau) (1952-)(3)
International Economic History Congress (8. : 1982 : Budapest) (1982-)(3)
Humboldt-Universität zu Berlin (1949-)(2)
International Conference of Economic History (2. : 1962 : Aix-en-Provence) (1962-)(2)
International Symposium Higher Scientific and Technological Education (1962, Moscow)(2)
Pugwash Conference on Science and World Affairs (22, 1972, Oxford)(2)
Pugwash Conference on Science and World Affairs (26. : 1976 : Mühlhausen/Thüringen) (1976-)(2)
Pugwash Symposium (13, 1971, Frascati)(2)
American Society for the Study of the G.D.R. (New York)(1)
British Library Newspaper Library (1973-2013)(1)
Communist Party of Great Britain (1920-1991)(1)
Conference of Non-Aligned Nations (1964, Cairo)(1)