Columbia subject headings:
Harvard subject headings:
Concentration camps--Congresses.
Concentration camps--Psychological aspects--Congresses.
Holocaust, Jewish (1939-1945)--Congresses
World War, 1939-1945--Deportations--Congresses.
World War, 1939-1945--Prisoners and prisons--Congresses.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Congresses.
Nazi concentration camps--Congresses.
Nazi concentration camps--Psychological aspects--Congresses.
World War, 1939-1945--Deportations--Congresses.
World War, 1939-1945--Prisoners and prisons--Congresses.