Columbia subject headings:
Gdynia (Poland)--Ethnic relations.
Jews--Poland--Gdynia--History--20th century.
Jews--Poland--Gdynia--Social life and customs--20th century.
Harvard subject headings:
Gdynia (Poland)--History.
Jews--Poland--Gdynia--History--20th century.
Princeton subject headings:
Gdynia (Poland)--Ethnic relations.
Jews--Poland--Gdynia--History--20th century.
Jews--Poland--Gdynia--Social life and customs--20th century.