Columbia subject headings:
Abd el-Krim, 1882-1963.
Morocco--History--20th century.
Morocco--Politics and government.
Rif Revolt, 1921-1926.
Harvard subject headings:
Abd el-Krim, 1882-1963
Morocco--History--20th century.
Morocco--Politics and government.
Rif Revolt, 1921-1926
Princeton subject headings:
Abd el-Krim, 1882-1963.
Morocco--History--20th century.
Rif Revolt, 1921-1926.