Search for: [Subject and Keywords = zabór pruski] OR [Subject and Keywords = Poznań \(Polska \; region\)] OR [Subject and Keywords = czasopisma polskie 19 w.] OR [Subject and Keywords = Wielkie Księstwo Poznańskie] OR [Subject and Keywords = Prusy 19 w.] OR [Title = Gazeta W. Xięstwa Poznańskiego. 1850, № 78 \(4 kwietnia\)]