Columbia subject headings:
Cotton growing--United States.
Industrial efficiency.
Labor productivity.
Machinery in the workplace.
Personnel management.
Textile workers--United States.
Harvard subject headings:
Cotton growing--United States
Industrial efficiency
Labor productivity
Machinery in the workplace
Personnel management
Textile workers--United States
Princeton subject headings:
Cotton growing--United States.
Industrial efficiency.
Machinery in the workplace.
Personnel management.