Columbia subject headings:
Law--Interpretation and construction.
Monopolies--Germany (West)
Monopolies--United States.
Trusts, Industrial--Germany (West)
Trusts, Industrial--United States.
Harvard subject headings:
Law--Interpretation and construction
Monopolies--Germany (West)
Monopolies--United States.
Trusts, Industrial--Germany (West)
Trusts, Industrial--United States.
Princeton subject headings: