Columbia subject headings:
Harvard subject headings:
Great Britain--Commerce--Russia--History--18th century.
Merchants, Foreign--Russia--History--18th century.
Russia--Commerce--Great Britain--History--18th century.
Princeton subject headings:
Great Britain--Commerce--Russia--History--18th century.
Merchants--Great Britain--History--18th century.
Merchants--Russia--History--18th century.
Russia--Commerce--Great Britain--History--18th century.