Columbia subject headings:
Peonage--Russia (Federation)--History--17th century.
Serfdom--Russia (Federation)--History--17th century.
Harvard subject headings:
Peonage--Russia (Federation)--History--17th century.
Peonage--Russia--History--17th century.
Serfdom--Russia (Federation)--History--17th century.
Serfdom--Russia--History--17th century.
Princeton subject headings:
Peonage--Russia--History--17th century.
Serfdom--Russia--History--17th century.