1
by Ingstad, Helge, 1899-2001.
Published 1969
Book
2
by Koht, Halvdan, 1873-1965.
Published 1964
Book
3
by Brundtland, Gro Harlem.
Published 2002
Book
4
by Lundestad, Geir, 1945-
Published 1986
Book
5
by Seierstad, Åsne, 1970-
Published 2005
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Electronic
7
Book