Columbia subject headings:
Balkan Peninsula--Ethnic relations.
Balkan Peninsula--History.
Ethnic conflict--Europe.
Europe, Eastern--Ethnic relations.
Europe, Eastern--History.
World War, 1939-1945--Social aspects--Europe.
Harvard subject headings:
Balkan Peninsula--Ethnic relations
Balkan Peninsula--History
Ethnic conflict--Europe.
Europe, Eastern--Ethnic relations
Europe, Eastern--History
World War, 1939-1945--Social aspects--Europe.
Princeton subject headings:
Balkan Peninsula--Ethnic relations.
Balkan Peninsula--History.
Ethnic conflict--Europe.
Europe, Eastern--Ethnic relations.
Europe, Eastern--History.
World War, 1939-1945--Social aspects--Europe.