Columbia subject headings:
Macedonia--Civilization--Congresses.
Macedonia--History--168 B.C.-1453 A.D.--Congresses.
Harvard subject headings:
Macedonia--Civilization--Congresses.
Macedonia--History--168 B.C.-1453 A.D.--Congresses.
Princeton subject headings:
Byzantine Empire--History--Palaeologi dynasty, 1259-1448--Congresses.
Macedonia--Civilization--Congresses.
Macedonia--History--168 B.C.-1453 A.D.--Congresses.