Columbia subject headings:
Building materials--United States.
Cast-iron.
Hardware.
House painting.
Roofing.
Terra-cotta.
Harvard subject headings:
Building materials--United States--History.
Building materials.
Building--United States--History.
Buildings--Repair and reconstruction
Historic buildings--Conservation and restoration--United States
Historic buildings--United States
Princeton subject headings:
Building materials--United States.
Hardware.
Historic buildings--United States.
House painting.
Roofing.