The Norwegian Historical Data Centre  
   National institution working to computerize the Norwegian censuses 1865 onwards together with the parish registers and other sources from the 18th and 19th centuries. NDHC is a centre at the University of Tromsø.
   http://www.rhd.uit.no/indexeng.html

Searching the 1865, 1875 and 1900 Censuses for Norway  
   Free online access to national census records. Search by first name, surname, birthplace, farm name, or parish.
   http://draug.rhd.isv.uit.no/rhd/folketellinger_engelsk_britisk.html

National Archives of Norway  
   Information about the Norwegian State Archives System, covering the national and the regional archives. The archives holds documents back to the Middle Ages and from the union with Denmark up to 1814. The newer archives come from central administrative of
   http://www.riksarkivet.no/english/about.html

The Digital Archive  
   Information collected from the Norwegian national censuses of 1801, 1865, 1900 and other sources.
   http://digitalarkivet.no/cgi-win/WebFront.exe?slag=vis&tekst=meldingar&spraak=e