Siegel, Larry (2015). Criminology: Theories, Patterns, and Typologies. Cengage Learning. ISBN978-1-305-44609-0.. The work of Lombroso and his contemproraries is regarded today as a historical curiosity, not scientific fact. Strict biological determinism is no longer taken seriously (later in his career even Lombroso recognized that not all criminals were biological throwbacks). Early biological determinism has been discredited because it is methodologically flawed: most studies did not use control groups from the general population to compare results, a violation of the scientific method.
"Henry Mayhew: London Labour and the London Poor"[2]Архивирано на сајту Wayback Machine (15. мај 2008). Center for Spatially Integrated Social Science.
Sutton, M. Schneider, J. and Hetherington, S. (2001) Tackling Theft with the Market Reduction Approach. Crime Reduction Research Series paper 8. Home Office. London.http://rds.homeoffice.gov.uk/rds/prgpdfs/crrs08.pdf
"Henry Mayhew: London Labour and the London Poor"[2]Архивирано на сајту Wayback Machine (15. мај 2008). Center for Spatially Integrated Social Science.
