Columbia subject headings:
Hours of labor--United States.
Minimum wage--United States.
United States. Fair Labor Standards Act of 1938.
Wages--Cleaning and dyeing industry--United States.
Wages--Laundry workers--United States.
Harvard subject headings:
Hours of labor--United States
Minimum wage--United States.
United States. Fair Labor Standards Act of 1938.
Wages--Cleaning and dyeing industry--United States.
Wages--Laundry workers--United States.
Princeton subject headings:
Hours of labor--United States.
Minimum wage--United States.
United States--Laws, statutes, etc.--Fair Labor Standards Act.
Wages--Cleaning and dyeing industry--United States.
Wages--Laundry workers--United States.