Columbia subject headings:
Antitrust law--United States--Cases.
Industrial concentration--United States--Case studies.
Restraint of trade--United States--Case studies.
Trusts, Industrial--United States--Case studies.
Harvard subject headings:
Antitrust law--United States--Cases
Industrial concentration--United States--Case studies.
Restraint of trade--United States--Case studies.
Trusts, Industrial--United States--Case studies.
Princeton subject headings:
Antitrust law--United States--Cases.
Industrial concentration--United States--Case studies.
Restraint of trade--United States--Case studies.
Trusts, Industrial--United States--Case studies.