Columbia subject headings:
Armenian Genocide, 1915-1923.
Genocide--History--20th century.
Holocaust, Jewish (1939-1945)
Rwanda--History--Civil War, 1994--Atrocities.
War crimes--History--20th century.
Harvard subject headings:
Armenian Genocide, 1915-1923
Genocide--History--20th century.
Genocide--Rwanda
Holocaust, Jewish (1939-1945)
Rwanda--History--Civil War, 1994--Atrocities.
Rwanda--History--Civil War, 1994.
War crimes--History--20th century
Princeton subject headings:
Armenian Genocide, 1915-1923.
Genocide--History--20th century.
Holocaust, Jewish (1939-1945)
Rwanda--History--Civil War, 1994--Atrocities.
War crimes--History--20th century.