Columbia subject headings:
Brokers--United States.
Margins (Security trading)--Law and legislation--United States.
Pledges (Law)--United States.
Securities--United States.
Speculation.
Stock exchanges--Law and legislation--United States.
Stockbrokers--United States.
Torts--New York (State)--Cases.
Torts--United States--Cases.
Harvard subject headings:
Margins (Security trading)--Law and legislation--United States.
Pledges (Law)--United States.
Securities--United States
Speculation.
Stock exchanges--Law and legislation--United States
Stockbrokers--United States.
Torts--New York (State)--Cases.
Torts--United States--Cases
Princeton subject headings: