Columbia subject headings:
Harvard subject headings:
Bełżec (Concentration camp)
Holocaust, Jewish (1939-1945)
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland--Bełżec.
Jews--Persecutions--Poland--Bełżec.
Oberhauser, Josef Kaspar, 1915-
Vernichtungslager Bełżec--History--Sources.
War criminals--Germany.
Wirth, Christian, 1885-1944.
World War, 1939-1945--Atrocities--Poland.