Columbia subject headings:
Investments, Foreign--Turkey.
Railroads and state--Turkey.
Turkey--Economic conditions.
Harvard subject headings:
Investments, Foreign--Turkey--History.
Railroads and state--Turkey--History.
Turkey--Economic conditions--1288-1918.
Turkey--Economic conditions--20th century.
Turkey--Economic policy.
Princeton subject headings:
Turkey--Economic conditions--20th century.
Turkey--Economic policy--20th century.