Arneson, Ben A.
The Democratic Monorchies of Scandinavia
D.Van Nostrand Company, 1938
 Buku Teks SO
Scandinavia : between East and West
edited by Henning Friis
Cornel University Press, 1950
 Buku Teks SO
Hechscher, Gunnar
the Welfare state and beyond : success and problems in Scandinavia
University of Minnesota Press, 1984
 Buku Teks SO
Arneson, Ben Albert,1883-1958.
Democratic monarchies of Scandinavia / Ben Albert Arneson,
D. Van Nostrand, 1949.
 Buku Teks SO
Lands and peoples : the world in color, volume 2 Scandinavia, Central Europe, Italy
Grolier Incorporated, 1964
 Buku Referensi