Columbia subject headings:
Bin Barakah, al-Mahdī, 1920-1965.
Morocco--History--20th century.
Harvard subject headings:
Bin Barakah, al-Mahdī, 1920-1965
Morocco--History--20th century.
Princeton subject headings:
Bin Barakah, al-Mahdī, 1920-1965.
Boukhari, Ahmed.
Morocco--History--20th century.
Secret service--Morocco--Biography.