Columbia subject headings:
Harvard subject headings:
Egypt--History--1250-1517.
Egypt--History--640-1250.
Egypt--Politics and government--History.
Princeton subject headings:
Ayyubids.
Egypt--History--1250-1517.
Egypt--History--640-1250.
Mamelukes.
Syria--History--1260-1516.
Syria--History--750-1260.