Columbia subject headings:
Egypt--History--640-1250.
Fatimites.
Islamic Empire--History--750-1258.
Islamic Empire--Kings and rulers.
Harvard subject headings:
Egypt--History--640-1250.
Fatimites.
Islamic Empire--750-1258.
Islamic Empire--Kings and rulers.
Princeton subject headings:
Egypt--History--640-1250.
Fatimites.
Islamic Empire--History--750-1258.
Islamic Empire--Kings and rulers.