Columbia subject headings:
Mauritania--History--20th century.
Mauritania--Politics and government--20th century.
Sharīf, Muḥammad ʻĀlī.
Harvard subject headings:
Mauritania--History--20th century.
Mauritania--Politics and government--20th century.
Sharīf, Muḥammad ʻĀlī.
Statesmen--Mauritania--Biography.
Princeton subject headings:
Mauritania--History--20th century.
Mauritania--Politics and government--20th century.
Sharīf, Muḥammad ʻĀlī.
Statesmen--Mauritania--Biography.