Columbia subject headings:
Akkadian language--Congresses.
Egyptian language--Congresses.
Hittites--Congresses.
Hittites--Religion--Congresses.
Iraq--Civilization--To 634--Congresses.
Iraq--Religion--Congresses.
Middle East--Civilization--To 622--Congresses.
Harvard subject headings:
Akkadian language--Congresses.
Egyptian language--Congresses.
Hittites--Congresses.
Hittites--Religion--Congresses.
Iraq--Civilization--To 634--Congresses.
Iraq--Religion--Congresses.
Middle East--Civilization--To 622--Congresses.
Princeton subject headings:
Akkadian language--Congresses.
Egyptian language--Congresses.
Hittites--Congresses.
Hittites--Religion--Congresses.
Iraq--Civilization--To 634--Congresses.
Iraq--Religion--Congresses.
Middle East--Civilization--To 622--Congresses.