Columbia subject headings:
Students--Poland--Gdańsk--Societies, etc.--History--20th century.
Harvard subject headings:
College students--Poland--Gdańsk--Societies, etc.--History--20th century.
Universities and colleges--Poland--Gdańsk--Societies, etc.--History--20th century.
Princeton subject headings:
Students--Poland--Gdańsk--Societies, etc.--History--20th century.