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