Columbia subject headings:
Corporations.
New York (State)--Politics and government--1865-1950.
Public utilities--United States.
United States--Politics and government--1901-1921.
Harvard subject headings:
Corporations
New York (State)--Politics and government--1865-1950.
Public utilities--United States.
United States--Politics and government--1901-1909.
United States--Politics and government--1913-1921.
Princeton subject headings: