1.
Jeugdcriminaliteit, 1988 ; Juvenile delinquency in the Netherlands, 1988
2.
Jeugdcriminaliteit, 1986 ; Juvenile delinquency in the Netherlands, 1986
Meningen van de Nederlandse bevolking over criminaliteit, 1985 ; Opinions of the Dutch population on criminality, 1985
3.
4.
5.
Meningen van de Nederlandse bevolking over criminaliteit, 1990 ; Opinions of the Dutch population on criminality, 1990
Netherlands survey on criminality and law enforcement 1996