Columbia subject headings:
Country homes--Hudson River Valley (N.Y. and N.J.)--History.
Harvard subject headings:
Architecture, Domestic--Hudson River Valley (N.Y. and N.J.)--History.
Architecture--Hudson River Valley (N.Y. and N.J.)
Country homes--Hudson River Valley (N.Y. and N.J.)--History.
Princeton subject headings:
Country homes--Hudson River Valley (N.Y. and N.J.)--History.