Columbia subject headings:
Cultural property--Protection--Law and legislation--Connecticut.
Cultural property--Protection--Law and legislation--Massachusetts.
Housatonic River Valley (Mass. and Conn.)
Upper Housatonic Valley National Heritage Area (Mass. and Conn.)
Harvard subject headings:
Cultural property--Protection--Law and legislation--Connecticut.
Cultural property--Protection--Law and legislation--Massachusetts.
Housatonic River Valley (Mass. and Conn.)
Upper Housatonic Valley National Heritage Area (Mass. and Conn.)
Princeton subject headings: