HENNINGSEN, H. The Nordic and the Baltic States. Grundtvig-Studier, [S. l.], v. 44, n. 1, p. 55–60, 1993. DOI: 10.7146/grs.v44i1.16099. Disponível em: https://tidsskrift.dk/grs/article/view/16099. Acesso em: 12 maj. 2024.