Columbia subject headings:
Holocaust, Jewish (1939-1945)--Poland.
Operation Reinhard, Poland, 1942-1943--History.
Sobibór (Concentration camp)--History.
Sobibór (Concentration camp)--Uprising, 1943.
Sobibór (Poland)
World War, 1939-1945--Concentration camps--Poland.
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Poland
Operation Reinhard, Poland, 1942-1943--History.
Sobibór (Poland)
Sobibór (Concentration camp)--History.
Sobibór (Concentration camp)--Uprising, 1943.
World War, 1939-1945--Concentration camps--Poland.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland.
Sobibór (Concentration camp)--History.