Columbia subject headings:
Architecture, Domestic--Conservation and restoration--Connecticut--Hartford.
Dwellings--Connecticut--Hartford.
Twain, Mark, 1835-1910--Homes and haunts--Connecticut--Hartford.
Harvard subject headings:
Mark Twain House (Hartford, Conn.)
Twain, Mark, 1835-1910--Homes and haunts--Connecticut--Hartford.
Princeton subject headings:
Architecture, Domestic--Connecticut--Hartford--Conservation and restoration.
Dwellings--Connecticut--Hartford.
Hartford (Conn.)--Buildings, structures, etc.
Literary landmarks--Connecticut--Hartford.
Twain, Mark, 1835-1910--Homes and haunts--Connecticut--Hartford.