Columbia subject headings:
Egypt--Civilization--Congresses.
Iberian Peninsula--Civilization--Congresses.
Orient--Civilization--Congresses.
Rome--Civilization--Congresses.
Harvard subject headings:
Egypt--Civilization--Congresses.
Iberian Peninsula--Civilization--Congresses.
Orient--Civilization--Congresses.
Rome--Civilization--Congresses
Princeton subject headings:
Egypt--Civilization--Congresses.
Iberian Peninsula--Civilization--Congresses.
Orient--Civilization--Congresses.
Rome--Civilization--Congresses.