Sources

1 Ulf Grøndahl, Gårdshistorie for Askim (Bind 2) (Utgitt av Askim kommune, Askim, 1987.), p. 291.

2 The Digitalarkivet Census for Norway, http://digitalarkivet.no/cgi-win/WebFront.exe?slag=vis&tekst=meldingar&spraak=e (A joint project between The National Archives of Norway, The regional Archive of Bergen and The Department of History, University of Bergen.), The 1865 census for the "Houger" farm in Askim.