Columbia subject headings:
Holocaust, Jewish (1939-1945)--Congresses.
World War, 1939-1945--Concentration camps--Congresses.
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Congresses
World War, 1939-1945--Concentration camps--Congresses.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Congresses.
World War, 1939-1945--Concentration camps--Congresses.