Columbia subject headings:
Architecture, Industrial--Congresses.
Architecture, Industrial--Conservation and restoration--Congresses.
Industrial archaeology--Congresses.
Industrial buildings--Conservation and restoration--Congresses.
Harvard subject headings:
Architecture, Industrial--Congresses.
Architecture, Industrial--Conservation and restoration--Congresses.
Industrial archaeology--Congresses.
Industrial buildings--Conservation and restoration--Congresses.
Princeton subject headings:
Architecture, Industrial--Congresses.
Architecture, Industrial--Conservation and restoration--Congresses.
Industrial archaeology--Congresses.
Industrial buildings--Conservation and restoration--Congresses.