Columbia subject headings:
Corporation law--Massachusetts--Cases.
Public utilities--Massachusetts--Cases.
Public utilities--Rates.
Securities--United States.
Harvard subject headings:
Corporation law--Massachusetts--Cases.
Public utilities--Massachusetts--Cases.
Public utilities--Rates.
Securities--United States
Princeton subject headings:
Corporation law--Massachusetts--Cases.
Public utilities--Massachusetts--Cases.
Public utilities--Rates.
Securities--United States.