PIOTROWSKA, Ewa; PIOTROWSKI, Bernard. Hauptstadt (Kristiania) und Provinz in Eilert Sundts (1817–1875) soziologischer Forschung. Folia Scandinavica Posnaniensia, [S. l.], v. 2, p. 75–87, 2007. Disponível em: https://pressto.amu.edu.pl/index.php/fsp/article/view/11041. Acesso em: 19 apr. 2024.