Columbia subject headings:
Harvard subject headings:
Iran--Politics and government--20th century.
Nuṣrat al-Dawlah, Fīrūz Mīrzā Fīrūz, 1889-1937.
Princeton subject headings:
Iran--Politics and government--20th century.
Nuṣrat al-Dawlah, Fīrūz Mīrzā Fīrūz.