Search for: [Subject and Keywords = dzienniki polskie 19 w.] OR [Subject and Keywords = Warszawa \(Polska \; region\)] OR [Subject and Keywords = prasa ekonomiczna] OR [Subject and Keywords = Józef Unger \(Warszawa\)] OR [Title = Gazeta Handlowa. R.6, nr 197 \(9 września 1869\) \+ dod.]