Columbia subject headings:
Rural population--New York (State)--History--19th century.
Rural-urban migration--New York (State)--History--19th century.
Harvard subject headings:
Rural population--New York (State)--History--19th century.
Rural-urban migration--New York (State)--History--19th century.
Princeton subject headings:
Rural population--New York (State)--History--19th century.
Rural-urban migration--New York (State)--History--19th century.