Columbia subject headings:
Antitrust law--United States.
Labor unions--Law and legislation--United States.
United States. An Act to Protect Trade and Commerce against Unlawful Restraints and Monopolies.
Working class--United States.
Harvard subject headings:
Antitrust law--United States
Labor and laboring classes--United States.
Labor unions--United States
Labor--United States
United States. Sherman Act.
Working class--United States
Princeton subject headings:
Antitrust law--United States.
Labor movement--United States.
Labor unions--Law and legislation--United States.
United States. Sherman Act