- American Antitrust Institute
- American Bar Association Antitrust Section
- Department of Justice Antitrust Division
- Federal Trade Commision
- Illinois Antitrust Act - 740 I.L.C.S. 10/1 et seq.
- Illinois General Assembly
- Institute for Consumer Antitrust Studies - Loyola University Chicago
- Legal Information Institute - Cornell: contains a good overview of antitrust laws.
- Office of the Illinois Attorney General
