Title: Joint declaration adopted by the Politbureau of the SED Central Committee, the Council of State, and the Council of Ministers of the GDR on the course and results of the Conference on Security and Cooperation in Europe
Subjects: Conference on Security and Cooperation in Europe (1972 : Helsinki, Finland), Conference on Security and Cooperation in Europe (1975 : Helsinki, Finland), Communism, Detente, Conference on Security and Cooperation in Europe (1975 : Helsinki, Finland) (uri) http://id.loc.gov/authorities/names/n2018059631 (uri) http://viaf.org/viaf/sourceID/LC|n2018059631