Columbia subject headings:
Buildings, Portable--Design and construction.
Buildings, Prefabricated--Design and construction.
Emergency housing--Design and construction.
Harvard subject headings:
Buildings, Portable--Design and construction.
Buildings, Prefabricated--Design and construction.
Emergency housing--Design and construction.
Princeton subject headings:
Buildings, Portable--Design and construction.
Buildings, Prefabricated--Design and construction.
Emergency housing--Design and construction.