Columbia subject headings:
Bureaucracy--United States--History.
Factory system--United States--History.
Industrial management--United States--History.
Working class--United States--History.
Harvard subject headings:
Bureaucracy--United States--History.
Factory system--United States--History.
Industrial management--United States--History
Working class--United States--History
Princeton subject headings:
Bureaucracy--United States--History.
Factory system--United States--History.
Industrial management--United States--History.
Labor--United States--History.