Columbia subject headings:
Industries--Bibliography.
Industries--United States--Bibliography.
Research, Industrial--Bibliography.
United States--Economic conditions--Bibliography.
Universities and colleges--United States--Bibliography.
Harvard subject headings:
Industries--Bibliography
Industries--United States--Bibliography.
United States--Economic conditions--Bibliography.
Universities and colleges--United States--Bibliography.
Princeton subject headings:
Industries--United States--Bibliography.
Research, Industrial--Bibliography.
United States--Economic conditions--Bibliography.
Universities and colleges--United States--Bibliography.