Columbia subject headings:
Harvard subject headings:
Finland--Rural conditions.
Labor supply--Finland--History--17th century.
Labor supply--Finland--History--18th century.
Master and servant--Finland--History--17th century.
Master and servant--Finland--History--18th century.
Princeton subject headings:
Finland--Economic conditions--History.
Finland--Social conditions--History.
Labor supply--Finland--History.
Rural population--Finland--History.