Columbia subject headings:
Byzantine Empire--History--1025-1081.
Byzantine Empire--History--Comneni dynasty, 1081-1185.
Harvard subject headings:
Byzantine Empire--History--1025-1081.
Byzantine Empire--History--Comneni dynasty, 1081-1185.
Princeton subject headings:
Byzantine Empire--History--1025-1081.
Byzantine Empire--History--Comneni dynasty, 1081-1185.