Columbia subject headings:
Jews--Poland--History--20th century.
Poland--History--Occupation, 1939-1945.
Rada Pomocy Żydom "Żegota."
World War, 1939-1945--Jews--Rescue--Poland.
World War, 1939-1945--Underground movements--Poland.
Harvard subject headings:
Jews--Poland--History
Poland--History--Occupation, 1939-1945
Rada Pomocy Żydom "Żegota"
World War, 1939-1945--Jews--Rescue--Poland
World War, 1939-1945--Underground movements--Poland
Princeton subject headings: