The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

The European Bibliography of Slavic and East European Studies (EBSEES) collects books, journal articles, reviews and dissertations from Eastern Europe (former countries of Eastern Bloc) which were published in Belgium, Germany, Finland, France, Great Britain, the Netherlands, Austria and Switzerland from 1991 to 2007. The segment "Literature" and "Culture" of the European Bibliography of Slavic and East European Studies contains 18.000 bibliographic entries (from the total asset of 85.000). More information can be found here.

Your search for Semystiaha, Volodymyr provides 1 hits
1	The role and place of secret collaborators in the informational activity of the GPU-NKVD in the 1920s and 1930s (on the basis of materials of the Donbass region) Semystiaha, Volodymyr, in: Cahiers du Monde russe 42, 2-4, 2001, pp. 231-244

The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

The role and place of secret collaborators in the informational activity of the GPU-NKVD in the 1920s and 1930s (on the basis of materials of the Donbass region)