Columbia subject headings:
Greeks--Russia, Southern--History.
Russia, Southern--Economic conditions--18th century.
Russia, Southern--Economic conditions--19th century.
Harvard subject headings:
Greeks--Russia, Southern--History.
Russia, Southern--Economic conditions--18th century.
Russia, Southern--Economic conditions--19th century.
Princeton subject headings:
Greeks--Russia, Southern--History.
Russia, Southern--Economic conditions--18th century.
Russia, Southern--Economic conditions--19th century.