Search for: [Subject and Keywords = Poznań \(Polska \; region\)] OR [Subject and Keywords = czasopisma 19 w.] OR [Subject and Keywords = Księstwo Warszawskie \(1807\-1815\)] OR [Subject and Keywords = W. Decker i Spółka \(Poznań\)] OR [Title = Gazeta Poznańska. 1815, Nro. 42 \(27 maja\) \+ dod.]