United States Strategic Bombing Survey (1944-1947)(8)
United States / Strategic Air Forces in Europe(7)
International Economic Conference (1952 : Moskau) (1952-)(5)
Conference on the Marxian Theory of Development (Warszawa, 1962)(4)
Great Britain / Military Permit Office(4)
Internationaler Historikerkongreß (11, 1960, Stockholm)(4)
Pugwash Conference on Science and World Affairs (42. : 1992 : Berlin) (1992-)(4)
Pugwash Conference on Science and World Affairs (32. : 1982 : Warschau) (1982-)(3)
Pugwash Conference on Science and World Affairs (37. : 1987 : Gmunden) (1987-)(3)
Pugwash Symposium (13, 1971, Frascati)(3)
USA. Army. European Theater of Operations(3)
Akademie-Verlag (Berlin, Ost) (1946-)(2)
Deutschland (DDR) / Botschaft (Cuba)(2)
Pugwash Conference on Science and World Affairs (1957-)(2)
Pugwash Conference on Science and World Affairs (22, 1972, Oxford)(2)