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1by [komitet redakcyjny Janina Balcerzak ... et al. ; redaktor naczelny Feliks Tych].Subjects: “…[Working class, Communism, Poland]…”
Published 1978-1987.
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2by pod red. Krzysztofa Persaka i Łukasza Kamińskiego.Subjects: “…[Internal security, Internal security, Internal security, Secret service, Secret service, Secret service, Political persecution., Communism]…”
Published 2010.