1. Hammurabi’s code of laws is arguably the oldest penal text. It can be retrieved at the address: http://www.fordham.edu/halsall/ancient/hamcode.html
2. E. Durkheim, Le crime phénomène normal 1894, in: Les regles de la méthode sociologique. Paris 14 ed. 1960, 65–72
3. Why men commit crimes (and why they desist);Kanazawa;Sociological Theory,2000
4. Crime, economic incentives and social networks;Ormerod;The Institute of Economic Affairs, London,2005
5. Social change and crime rate trends: A routine activity approach;Cohen;American Sociological Review,1979