Search for: [Subject and Keywords = handel zagraniczny \- Polska \- 1918\-1939] OR [Subject and Keywords = porty \- Polska \- 1918\-1939] OR [Subject and Keywords = Gdynia \(woj. pomorskie\) \- gospodarka \- 1918\-1939] OR [Subject and Keywords = port Gdynia \- historia] OR [Title = Obroty towarowe portu gdyńskiego w 1931 r] OR [Creator = Urząd Morski \(Gdynia\)]