Columbia subject headings:
Holocaust, Jewish (1939-1945)--Poland--Congresses.
Jews--Poland--History--Congresses.
Poland--Ethnic relations--Congresses.
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Poland--Congresses.
Jews--Poland--History--Congresses.
Poland--Ethnic relations--Congresses.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland--Congresses.
Jews--Poland--History--Congresses.
Poland--Ethnic relations--Congresses.