Columbia subject headings:
Gdańsk (Poland)--History--20th century.
Westerplatte (Gdańsk, Poland)--History--20th century.
Westerplatte, Battle of, Poland, 1939.
Harvard subject headings:
Westerplatte Peninsula (Poland)--History.
Westerplatte, Battle of, Poland, 1939.
Princeton subject headings:
Westerplatte Peninsula (Poland)--History.
Westerplatte, Battle of, Poland, 1939.