Columbia subject headings:
Harvard subject headings:
Finland--History--1809-1917.
Finland--Relations--Russia.
Poland--History--18th century
Poland--History--19th century
Poland--Relations--Russia
Russia--Relations--Finland.
Russia--Relations--Poland.
Princeton subject headings:
Finland--History--1809-1917.
Finland--Relations--Russia.
Poland--History--18th century.
Poland--History--19th century.
Poland--Relations--Russia.
Russia--Relations--Finland.
Russia--Relations--Poland.