Columbia subject headings:
Diori, Hamani.
Niger--Politics and government--1960-1993.
Presidents--Niger--Biography.
Harvard subject headings:
Diori, Hamani.
Niger--Politics and government--20th century.
Niger--Politis and government--20th century.
Statesmen--Niger--Biography.
Princeton subject headings:
Diori, Hamani.
Niger--Politics and government.--20th century.
Statesmen--Niger.--Biography.