Columbia subject headings:
Harvard subject headings:
Morocco--History--1912-1956.
Political persecution--Morocco--History.
Spain--History--Civil War, 1936-1939.
Princeton subject headings:
Political persecution--Morocco (Spanish zone)--History--20th century.
Spain--History--Civil War, 1936-1939--Atrocities.
Spain--History--Civil War, 1936-1939--Registers of dead.