Columbia subject headings:
Architecture, Domestic--Maine.
Architecture, Domestic--New Hampshire.
Historic buildings--Maine.
Historic buildings--New Hampshire.
Harvard subject headings:
Architecture, Colonial
Historic buildings--Maine.
Historic buildings--New Hampshire.
Historic buildings--Piscataqua River Valley (N.H. and Me.)
Princeton subject headings:
Architecture, Colonial.
Historic buildings--Maine.
Historic buildings--New Hampshire.
Historic buildings--Piscataqua River Valley (N.H. and Me.).