Columbia subject headings:
Atlantic herring fisheries--Baltic Sea--History--16th century.
Atlantic herring fisheries--Baltic Sea--History--To 1500.
Herring industry--Baltic Sea--History--16th century.
Herring industry--Baltic Sea--History--To 1500.
Pacific herring fisheries--Baltic Sea--History--16th century.
Pacific herring fisheries--Baltic Sea--History--To 1500.
Harvard subject headings:
Atlantic herring fisheries--Baltic Sea--History--16th century.
Atlantic herring fisheries--Baltic Sea--History--To 1500.
Herring industry--Baltic Sea--History--16th century.
Herring industry--Baltic Sea--History--To 1500.
Princeton subject headings:
Herring fisheries--Baltic Sea--History--16th century.
Herring fisheries--Baltic Sea--History--To 1500.
Herring industry--Baltic Sea--History--16th century.
Herring industry--Baltic Sea--History--To 1500.