The Department of Coins and Medals of the Fitzwilliam Museum hosts a range of on-line resources for the study of medieval coins, including the Early Medieval Corpus database of British coin finds AD 410-1180, a checklist of hoards and the Sylloge of Coins of the British Isles database.
Early Medieval Corpus (Single finds from Britain, 410-1180)
Checklist of Coin Hoards (Hoards from Britain, c.450-1180)
Sylloge of Coins of the British Isles Online
Conte Collection of Norman Coins (On-line exhibition)
The department is also home to Medieval European Coinage and other projects.