History of Policing, Legal Institutions, Criminology, and Crime 
European University Institute Internet database providing information about ongoing research projects.
http://www.iue.it/OnlineProjects/HEC/Criminology/A History of Violence 
Essays and online forum about methods of torture, cruel justice, and other unpleasantries that humans have inflicted on each other. Invites submissions.
http://home.comcast.net/~burokerl/index.htm
International Association for the History of Crime and Criminal Justice 
Organization information and directory of upcoming conferences in the field.
http://www.h-net.org/~iahccj/
Crime and Punishment 
Teaching resources from the UK's National Archives Learning Curve. Covers crime, prevention, and punishment in four eras: before 1450, 1450-1750, 1750-1900, and 20th century, using documents from the Public Record Office.
http://www.learningcurve.gov.uk/candp/
History of the Howard League for Penal Reform 
Includes a list of some milestones in the history of British penal reform.
http://www.howardleague.org/index.php?id=fact1
The Process Of Judicial Hanging 
History and description of "the oldest but most widely used method of execution in the world today."
http://www.richard.clark32.btinternet.co.uk/hanging2.html
The Guillotine Headquarters 
An illustrated history of the guillotine and its construction; includes FAQ, gallery, and a listing of names associated with it.
http://www.metaphor.dk/guillotine/