Polish Navy 1998 - signs, bases, list of warships - http://info.fuw.edu.pl/~janbart/pnt.html
Port Hel - fishing port, recreation centre, seat of fishing museum, last Polish bastion in 1939 with Nazi invader; location, satellite map, harbour map - http://www.polfracht.pl/polfracht/psal/localinf/hel/porthel.htm