Columbia subject headings:
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Poland
Holocaust, Jewish (1939-1945)--Poland--Sources.
Jews--Persecutions--Poland--Sources.
Jews--Persecutions--Poland.
Karski, Jan, 1914-2000
Poland--Ethnic relations
Poland--History--Occupation, 1939-1945
Poland--History--Occupation, 1939-1945--Sources.
World War, 1939-1945--Underground movements--Poland--Biography.
World War, 1939-1945--Underground movements--Poland--Sources.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland.
Jews--Persecutions--Poland.
Karski, Jan, 1914-2000.
Poland--Ethnic relations.
Poland--History--Occupation, 1939-1945.
World War, 1939-1945--Underground movements--Poland--Biography.