Columbia subject headings:
Iran--Civilization--To 640--Congresses.
Iran--History--To 640--Congresses.
Iraq--Civilization--To 634--Congresses.
Iraq--History--To 634--Congresses.
Harvard subject headings:
Iran--History--To 640--Congresses.
Iraq--History--To 634--Congresses.
Lukonin, V. G. (Vladimir Grigorʹevich)
Princeton subject headings:
Iran--Civilization--To 640--Congresses.
Iran--History--To 640--Congresses.
Iraq--Civilization--To 634--Congresses.
Iraq--History--To 634--Congresses.