Nobile, Giuseppe (4 September 2010). "Per Tom Behan" [In honor of Tom Behan]. centroimpastato.com. Centro Siciliano di Documentazione "Giuseppe Impastato" - Onlus. Archived from the original on 12 December 2018.
fhm.com
"Italian organised crime: working for the mafia". Archived from the original on 25 July 2011. Retrieved 3 September 2010. (FHM asks Mafia and Camorra expert Dr Tom Behan about the new real-life mob movie, Gomorrah, gunfights and just how bad it really is down Napoli way)
Reisz, Matthew (16 September 2010). "Tom Behan, 1957-2010". timeshighereducation.com. Times Higher Education Supplement. Archived from the original on 17 April 2016.
web.archive.org
Nobile, Giuseppe (4 September 2010). "Per Tom Behan" [In honor of Tom Behan]. centroimpastato.com. Centro Siciliano di Documentazione "Giuseppe Impastato" - Onlus. Archived from the original on 12 December 2018.
"Italian organised crime: working for the mafia". Archived from the original on 25 July 2011. Retrieved 3 September 2010. (FHM asks Mafia and Camorra expert Dr Tom Behan about the new real-life mob movie, Gomorrah, gunfights and just how bad it really is down Napoli way)
Reisz, Matthew (16 September 2010). "Tom Behan, 1957-2010". timeshighereducation.com. Times Higher Education Supplement. Archived from the original on 17 April 2016.