Roald Halvorsen (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roald Halvorsen" in English language version.

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1st place
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stortinget.no

uib.no

mediabase1.uib.no

  • Dahl, Hans Fredrik (1995). "Halvorsen, Roald". In Dahl; Hjeltnes; Nøkleby; Ringdal; Sørensen (eds.). Norsk krigsleksikon 1940-45 (in Norwegian). Oslo: Cappelen. p. 152. ISBN 82-02-14138-9. Archived from the original on 15 March 2012. Retrieved 1 November 2010.

web.archive.org

  • Dahl, Hans Fredrik (1995). "Halvorsen, Roald". In Dahl; Hjeltnes; Nøkleby; Ringdal; Sørensen (eds.). Norsk krigsleksikon 1940-45 (in Norwegian). Oslo: Cappelen. p. 152. ISBN 82-02-14138-9. Archived from the original on 15 March 2012. Retrieved 1 November 2010.