Columbia subject headings:
City and town life--Brazil--Congresses.
Offenses against public safety--Brazil--Congresses.
Urban violence--Brazil--Congresses.
Violence--Brazil--Prevention--Congresses.
Harvard subject headings:
City and town life--Brazil--Congresses.
Internal security--Brazil--Congresses.
Offenses against public safety--Brazil--Congresses.
Urban violence--Brazil--Congresses.
Violence--Brazil--Congresses.
Violence--Brazil--Prevention--Congresses.
Violence--Brazil--Rio de Janeiro--Congresses.
Princeton subject headings:
Internal security--Brazil--Congresses.
Urban violence--Brazil--Congresses.
Violence--Brazil--Congresses.
Violence--Brazil--Prevention--Congresses.
Violence--Brazil--Rio de Janeiro--Congresses.