Columbia subject headings:
Harbors--Poland--Gryfice--History.
Trzebiatów (Gryfice, Poland)
Trzebiatów (Gryfice, Poland)--History.
Harvard subject headings:
Harbors--Poland--Gryfice--Design and construction--History--16th century.
Harbors--Poland--Gryfice--History--16th century.
Trzebiatów (Gryfice, Poland)--History--16th century.
Princeton subject headings:
Harbors--Poland--Gryfice--Design and construction--History--16th century.
Harbors--Poland--Gryfice--History--16th century.
Trzebiatów (Gryfice, Poland)--History--16th century.