Columbia subject headings:
Associations, institutions, etc.--Hansa towns.
Hansa towns--History.
Hanseatic League--History.
Societies--Hansa towns.
Harvard subject headings:
Associations, institutions, etc.--Hansa towns.
Hansa towns--History.
Hanseatic League--History.
Societies--Hansa towns.
Princeton subject headings:
Commerce--History--Medieval, 500-1500.
Hansa towns--History.
Hanseatic League--History.
Societies--Hansa towns.