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 Ćwięk, Henryk provides 2 hits
1	Kilka uwag o działalności sowieckiego wywiadu radiowego w Polsce w latach trzydziestych (The activities of Soviet radio intelligence in Poland in the 1930s) Ćwięk, Henryk, in: Mars, 4, 1996, p. 59-68
2	O niektórych mankamentach wojennej sieci wywiadowczej II Rzeczypospolitej (On certain problems of Poland's wartime intelligence networks) Ćwięk, Henryk, in: Mars, 3, 1995, p. 29-36

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

Kilka uwag o działalności sowieckiego wywiadu radiowego w Polsce w latach trzydziestych (The activities of Soviet radio intelligence in Poland in the 1930s)

O niektórych mankamentach wojennej sieci wywiadowczej II Rzeczypospolitej (On certain problems of Poland's wartime intelligence networks)