Columbia subject headings:
Harvard subject headings:
Siberia (Russia)--Colonization--History--17th century.
Siberia (Russia)--Colonization--History--18th century.
Siberia (Russia)--Colonization--History--Sources.
Siberia (Russia)--Commerce--History--17th century.
Siberia (Russia)--Commerce--History--18th century.
Siberia (Russia)--History--Sources.
Princeton subject headings:
Siberia (Russia)--Colonization--History--17th century.
Siberia (Russia)--Colonization--History--18th century.
Siberia (Russia)--Colonization--History--Sources.
Siberia (Russia)--Commerce--History--17th century.
Siberia (Russia)--Commerce--History--18th century.
Siberia (Russia)--History--Sources.