Columbia subject headings:
Harvard subject headings:
Business--Russia--History.
Business.
Industries--Russia--History
Industries--Russia--History--19th century.
Industries--Russia--History--20th century.
Merchants--Russia--History.
Russia--Commerce--History--19th century.
Russia--Commerce--History--20th century.
Russia--Commerce--History.
Princeton subject headings:
Industries--Russia--History--19th century.
Industries--Russia--History--20th century.
Merchants--Russia--History.
Russia--Commerce--History--19th century.
Russia--Commerce--History--20th century.