Columbia subject headings:
Islamic Empire--Commerce.
Islamic Empire--History--1258-1517.
Mamelukes--Commerce.
Trade routes--Middle East--History.
Harvard subject headings:
Egypt--History--1250-1517.
Islamic Empire--Commerce.
Islamic Empire--History--1258-1517.
Mamelukes.
Trade routes--Middle East--History.
Princeton subject headings:
Islamic Empire--Commerce.
Islamic Empire--History--1258-1517.
Mamelukes--Commerce.
Trade routes--Middle East--History.