Columbia subject headings:
Gdańsk (Poland)--History.
Hansa towns--History.
Lübeck (Germany)--History.
Harvard subject headings:
Gdańsk (Poland)--History.
Hansa towns--History.
Lübeck (Germany)--History.
Princeton subject headings:
Gdańsk (Poland)--History.
Hansa towns--History.
Lübeck (Germany)--History.