If you're browsing the shelves in the Transportation Library, or in your local public library, the following call numbers will help direct you to areas of interest.
HV6035-6197 Criminal anthropology Including criminal types, criminal psychology, prison psychology, causes of crime
HV6201-6249 Criminal classes
HV6250-6250.4 Victims of crimes, Victimology
HV6251-6773.55 Crimes and offenses
HV6774-7220.5 Crimes and criminal classes
HV7231-9960 Criminal justice administration
HV7431 Prevention of crime, methods, etc.
HV7551-8280.7 Police. Detectives. Constabulary
HV7935-8025 Administration and organization
HV8031-8080 Police duty. Methods of protection
HV8073-8079.35 Investigation of crimes. Examination and identification of prisoners
HV8079.2-8079.35 Police social work
HV8079.5-8079.55 Traffic control. Traffic accident investigation