Nordic democracy : ideas, issues, and Institutions in Politics, Economy, Education, Social and Cultural Affairs of Denmark, Finland, Iceland, Norway, and Sweden - Allardt, Erik; Andren, Nils; Friis, Erik J.; Gislason, Gylfi; Sparre Nilson, Sten; Valen, Henry; Wendt, Frantz; Wisti, Folmer (Det Danske Selskab, 1981)