Columbia subject headings:
Dʹi͡akonov, Igorʹ Mikhaĭlovich.
Middle East--Civilization--To 622.
Middle East--Languages.
Harvard subject headings:
Dʹi︠a︡konov, I. M. (Igorʹ Mikhaĭlovich)
Middle East--Civilization--To 622.
Middle East--Languages.
Princeton subject headings:
Dʹi︠a︡konov, I. M. (Igorʹ Mikhaĭlovich)
Middle East--History--To 622.
Middle East--Languages.
Middle East--Social life and customs.