Columbia subject headings:
Richelieu River Valley (N.Y. and Vt.-Québec)--History.
Seigniorial tenure--Richelieu River Valley (N.Y. and Vt.-Québec)--History.
Harvard subject headings:
Princeton subject headings:
Richelieu River Valley (N.Y. and Vt.-Québec)--History.
Seigniorial tenure--Quebec (Province)--Richelieu River Valley--History.