Search for: [Subject and Keywords = czasopisma społeczno\-kulturalne polskie \- 20 w.] OR [Subject and Keywords = gazety polskie \- 20 w.] OR [Subject and Keywords = Warszawa \- czasopisma] OR [Subject and Keywords = publicystyka] OR [Title = Pieśń pokoju] OR [Creator = Sienkiewicz, Henryk \(1846\-1916\)]