Columbia subject headings:
Balkan Peninsula--Economic conditions.
Balkan Peninsula--Economic policy.
Commercial law--Balkan Peninsula.
Investments, Foreign--Balkan Peninsula.
Securities industry--Law and legislation--Balkan Peninsula.
Securities--Balkan Peninsula.
Harvard subject headings:
Balkan Peninsula--Economic conditions.
Balkan Peninsula--Economic policy.
Commercial law--Balkan Peninsula.
Investments, Foreign--Balkan Peninsula.
Securities--Balkan Peninsula.
Princeton subject headings: