Columbia subject headings:
Harvard subject headings:
Byzantine Empire--History--Comneni dynasty, 1081-1185.
Comneni dynasty, 1081-1185.
Pontus--History.
Trabzon (Turkey)--History.
Trabzon İli (Turkey)--History.
Trebizond Empire--History.
Princeton subject headings:
Byzantine Empire--History--Comneni dynasty, 1081-1185.
Comneni dynasty, 1081-1185.
Pontus--History.
Trabzon (Turkey)--History.
Trabzon İli (Turkey)--History.
Trebizond Empire--History.