Columbia subject headings:
Industrialization.
Russia--Commerce--History--19th century.
Soviet Union--Commerce--History.
Tariff--Russia--History--19th century.
Tariff--Soviet Union--History.
Harvard subject headings:
Princeton subject headings:
Industrialization.
Russia--Commerce--History--19th century.
Soviet Union--Commerce--History.
Tariff--Russia--History--19th century.
Tariff--Soviet Union--History.