Columbia subject headings:
Civilization, Ancient--Congresses.
Commerce--History--To 500--Congresses.
Culture diffusion--Mediterranean Region--Congresses.
Economic history--To 500--Congresses.
Middle East--Civilization--Congresses.
Money--History--To 500--Congresses.
Harvard subject headings:
Princeton subject headings:
Civilization--History--Congresses.
Commerce--History--Congresses.
Culture diffusion--Congresses.
History, Ancient--Congresses.
Money--Congresses.