Columbia subject headings:
Balkan Peninsula--Civilization--21st century.
Balkan Peninsula--Ethnic relations--History--21st century.
Balkan Peninsula--Ethnic relations--Political aspects--21st century.
Balkan Peninsula--Ethnic relations--Religious aspects--21st century.
Gusle--Balkan Peninsula--Psychological aspects.
National characteristics, Balkan--Psychological aspects.
Nationalism--Balkan Peninsula--History--21st century.
Harvard subject headings:
Balkan Peninsula--Civilization--21st century.
Balkan Peninsula--Ethnic relations--History--21st century.
Balkan Peninsula--Ethnic relations--Political aspects--21st century.
Balkan Peninsula--Ethnic relations--Religious aspects--21st century.
Gusle--Balkan Peninsula--Psychological aspects.
National characteristics, Balkan--Psychological aspects.
Nationalism--Balkan Peninsula--History--21st century.
Princeton subject headings:
Balkan Peninsula--Civilization--21st century.
Balkan Peninsula--Ethnic relations--History--21st century.
Balkan Peninsula--Ethnic relations--Political aspects--21st century.
Balkan Peninsula--Ethnic relations--Religious aspects--21st century.
Gusle--Balkan Peninsula--Psychological aspects.
National characteristics, Balkan--Psychological aspects.
Nationalism--Balkan Peninsula--History--21st century.