At the National Records of Scotland, Edinburgh:

• HH21/57, HH21/58, HH21/59
  Stranraer Prison
  Register of Criminals (No 2), 1841-1847; Register of Criminal Prisoners, 1847-1883; Register of Civil Prisoners, 1841-1847; Daily Statement of Prisoners, 1875-1881.

At the Stranraer Museum:

• ST
  Stranraer Burgh Records
  Clerk's Department: Incarceration records, 1824-1840; Stranraer Museum - deposited records: Accounts of the Prison Board for Stranraer Jail, 1852-1860; Stranraer prison accounts, 1853-1909.

• Crime and Punishment published by The National Records of Scotland examines the nature of crime and punishment in Scotland between the 16th and 20th centuries. 28 pages, ISBN 0 870874 33 1.

• The Complete Newgate Calendar is now online.
• Old Bailey Online - the Proceedings of the Old Bailey, London's Central Criminal Court, 1674 to 1913: "A fully searchable edition of the largest body of texts detailing the lives of non-elite people ever published, containing 197,745 criminal trials held at London's central criminal court."
• Derek Wilcox's Black Sheep Index - "an index of Victims and Villains (and some heroes too) extracted from newspaper reports of court cases and inquests between 1865-1900" (archived copy).
• Capital punishment in the 18th & 19th centuries - many listings and articles.
• About Prison History - from the Open University's  International Centre for the History of Crime, Policing and Justice.
• The Digital Panopticon - "allows you to search millions of records from around fifty datasets, relating to the lives of 90,000 convicts from the Old Bailey".