Columbia subject headings:
Egypt--Economic conditions.
Egypt--History--1250-1517.
Mamelukes.
Syria--Economic conditions.
Syria--History--1250-1517.
Harvard subject headings:
Egypt--Economic conditions--640-1517.
Egypt--History--1250-1517.
Syria--Economic conditions.
Syria--History--1260-1516.
Princeton subject headings:
Egypt--Economic conditions--640-1517.
Egypt--History--1250-1517.
Syria--Economic conditions.
Syria--History--1260-1516.