Columbia subject headings:
Harvard subject headings:
Local transit--Congresses
Local transit.
Paratransit services--Congresses.
Paratransit services.
Railroads, Local and light.
Railroads--Commuting traffic
Railroads--Commuting traffic--Congresses.
Railroads--Passenger traffic
Railroads--Passenger traffic--Congresses.
Rural transit--Congresses.
Rural transit.
Street-railroads.
Princeton subject headings:
Local transit--Congresses.
Paratransit services--Congresses.
Railroads--Commuting traffic--Congresses.
Railroads--Passenger traffic--Congresses.
Rural transit--Congresses.