Columbia subject headings:
Architecture--New York (State)--Chappaqua.
Architecture--New York (State)--Millwood.
Chappaqua (N.Y.)--Buildings, structures, etc.
Dwellings--New York (State)--Chappaqua.
Dwellings--New York (State)--Millwood.
Millwood (N.Y.)--Buildings, structures, etc.
Harvard subject headings:
Architecture--New York (State)--Chappaqua.
Architecture--New York (State)--Millwood.
Dwellings--New York (State)--Chappaqua.
Dwellings--New York (State)--Millwood.
Princeton subject headings: