Columbia subject headings:
Architecture, Industrial--Conservation and restoration--Latin America--Congresses.
Industrial housing--Latin America--Congresses.
Working class--Dwellings--Latin America--History--20th century--Congresses.
Harvard subject headings:
Architecture, Industrial--Conservation and restoration--Latin America--Congresses.
Industrial housing--Latin America--Congresses.
Working class--Dwellings--Latin America--History--20th century--Congresses.
Princeton subject headings:
Architecture, Industrial--Conservation and restoration--Latin America.
Industrial housing--Latin America.
Working class--Dwellings--Latin America--History--20th century.