Columbia subject headings:
Inland water transportation--Russia--History--19th century.
Shipping--Russia--History--19th century.
Harvard subject headings:
Inland water transportation--Russia--History--19th century.
Inland water transportation--Russia--History.
Shipping--Russia--History--19th century.
Princeton subject headings:
Inland water navigation--Russia--History.
Russia--Commerce--History.
Shipping--Russia--History.