Other
Historic Royal Palaces: Tower of London: Tower Torture
Describes three torture instruments on display at the Tower of London. Includes three downloadable factsheets on the history of torture at the Tower, famous people tortured there, and more information on the three instruments on display.
Other
Nuremburg Online: Mediaeval Dungeons
This site on the Mediaeval Dungeons of Nuremberg provides information on its history, the system of justice, the prison and torture chamber, and the procedures for execution.