Columbia subject headings:
Galleons--Poland.
Naval architecture--History--16th century.
Poland--History--Sigismund II Augustus, 1548-1572.
Shipbuilding--Poland--History--16th century.
Harvard subject headings:
Galleons--Poland.
Naval architecture--History--16th century.
Poland--History--Sigismund II Augustus, 1548-1572
Shipbuilding--Poland--History--16th century.
Princeton subject headings:
Naval architecture--History.
Poland--History, Naval.
Ships--History.