Columbia subject headings:
Harvard subject headings:
Harbor masters--New York (State)
Harbors--Law and legislation--New York (State)
New York Harbor (N.Y. and N.J.)
Pilots and pilotage--Law and legislation--New York (State)
Princeton subject headings:
Harbor masters--New York (State).
Harbors--New York (State)--Law and legislation.
Pilots and pilotage--New York (State)--Law and legislation.