- European Sourcebook of Crime and Criminal Justice Statistics
- Currently working on its 7th edition
- Council of Europe Annual Penal Statistics (SPACE)
- Comparative and International Criminology
- Crime Trends in Europe
- Criminal justice systems in Europe
- Prisons in Europe
- Alternative sanctions in Europe
- Methodology of international comparisons of crime
- Drugs and Crime
- Evaluation of the effects on delinquency of the Swiss heroin prescription projects
- Alternative sanctions in Switzerland: Evaluation of community service
- Crime Measures
- Validity of crime measures
- Self-reported delinquency studies
- International crime victim survey
- Victimology
- Victimization of tourists
- International crime victim survey
- Questionnaire for the European victimization survey
- Victimization surveys in Europe
- Juvenile Delinquency
- Family structure and juvenile delinquency
- Swiss national survey of self-reported delinquency
- Criminological Theories
- Migration and Delinquency
- The Campbell Collaboration – Crime and Justice Group
- Meta-analysis of the effects of heroin prescription programs on delinquency
- Evaluation of Domestic Violence
- Assessment of the extent of domestic violence in the canton of Vaud, Switzerland