Columbia subject headings:
Architecture--Rhode Island--Providence.
City planning--Rhode Island--Providence--History.
Historic buildings--Rhode Island--Providence.
Providence (R.I.)--Buildings, structures, etc.
Providence (R.I.)--History.
Harvard subject headings:
Architecture--Rhode Island--Providence.
City planning--Rhode Island--History.
City planning--Rhode Island--Providence.
Historic buildings--Rhode Island--Providence.
Providence (R.I.)--History.
Princeton subject headings: