An pagkakaiba han mga rebisyon han "Dagat Baltiko"

* [http://www.helsinki.fi/maantiede/geofi/fennia/demo/pages/oksanen.htm Late Weichselian and Holocene shore displacement history of the Baltic Sea in Finland] – more prehistory of the Baltic from the [http://www.helsinki.fi/geography/ Department of Geography] of the [[University of Helsinki]]

* [http://maps.grida.no/baltic Baltic Environmental Atlas: Interactive map of the Baltic Sea region]

* [http://www.ferrylines.com/en/routes/ferries-in-the-baltic-sea/ List of all ferry lines in the Baltic Sea]

* [http://www.helcom.fi/ The Helsinki Commission (HELCOM)] HELCOM is the governing body of the "Convention on the Protection of the Marine Environment of the Baltic Sea Area"