Columbia subject headings:
Harvard subject headings:
Blanco Izaga, Emilio, 1892-1949.
Morocco (Spanish zone)--History, Military.
Rif Mountains (Morocco)--History.
Rifs (Berber people)--Social life and customs.
Princeton subject headings:
Blanco Izaga, Emilio, 1892-1949.
Morocco (Spanish zone)--History, Military.
Rif Mountains Region (Morocco)--History.
Rifs (Berber people)