Columbia subject headings:
Europe--History--1945-
World War, 1939-1945--Atrocities.
World War, 1939-1945.
Harvard subject headings:
Europe--History--1938-
World War, 1939-1945--Atrocities.
World War, 1939-1945.
Princeton subject headings:
Europe--History--1938-.
World War, 1939-1945--Atrocities.
World War, 1939-1945.