Computers and Social History: Building a Database from Mediaeval Tax Registers for improved Information Retrieval in Göttingen. In G. Lock, and J. Moffet (Eds.), CAA 91, Computer Applications and Quantitative Methods in Archaeology (BAR International Series S 577),, 29-38., London, 1992. [PUMA: 1992 computer database datenbank history information-retrieval mediaeval mittelalter myown retrieval social-structure sozialgeschichte sozialstruktur tax-register town] URL