Search for: [Subject and Keywords = opozycja] OR [Subject and Keywords = Polska] OR [Subject and Keywords = 20w.] OR [Subject and Keywords = PRL] OR [Subject and Keywords = Polska Rzeczpospolita Ludowa] OR [Subject and Keywords = Ruch Obrony Praw Człowieka i Obywatela] OR [Subject and Keywords = ROPCiO] OR [File name = Opinia. Pismo Ruchu Obrony Praw Człowieka i Obywatela w Polsce, nr 7\/8\(51\/52\)] OR [Creator = brak autora]