Columbia subject headings:
Balkan Peninsula--Emigration and immigration--History.
Byzantine Empire--History--527-1081.
Migration, Internal--Byzantine Empire.
Turkey--Emigration and immigration--History.
Harvard subject headings:
Balkan Peninsula--Emigration and immigration--History.
Byzantine Empire--History--527-1081.
Migration, Internal--Byzantine Empire.
Turkey--Emigration and immigration--History.
Princeton subject headings:
Balkan Peninsula--Emigration and immigration--History.
Byzantine Empire--Ethnic relations.
Migration, Internal--Byzantine Empire.
Turkey--Emigration and immigration--History.