Columbia subject headings:
Egypt--History--640-1250.
Harvard subject headings:
Armenia--History--Bagratuni dynasty, 885-1045.
Byzantine Empire--History--527-1081.
Egypt--History--640-1250.
Fatimites.
Georgia (Republic)--History--To 1801.
Patriarchs and patriarchate--Middle East--History--To 1500.
Syria--History--750-1260.
Princeton subject headings:
Armenia--History--Bagratuni dynasty, 885-1045.
Byzantine Empire--History--527-1081.
Egypt--History--640-1250.
Georgia (Republic)--History--To 1801.
Patriarchs and patriarchate--Middle East--History--To 1500.
Syria--History--750-1260.