Columbia subject headings:
Local transit crime--Europe--Congresses.
Vandalism--Europe--Congresses.
Harvard subject headings:
Local transit crime--Europe--Congresses.
Transportation.
Vandalism--Europe--Congresses.
Vandalism--Psychological aspects.
Vandalism--Social aspects.
Violence--Psychological aspects
Violence--Social aspects.
Princeton subject headings:
Buses--Vandalism--Congresses.
Local transit crime--Congresses.
Railroads--Vandalism--Congresses.