Columbia subject headings:
Commuting--New York (State)--New York--Case studies.
Local transit--New York (State)--New York--Case studies.
Harvard subject headings:
Commuting--New York (State)--New York--Case studies.
Commuting--New York (State)--New York.
Local transit--New York (State)--New York
Local transit--New York (State)--New York--Case studies.
Princeton subject headings:
Commuting--New York (State)--New York--Case studies.
Local transit--New York (State)--New York--Case studies.