ALBECK, Gustav; MICHELSEN, William; TOFTDAHL, Hellmut; SCHJØRRING, Jens Holger. Forord. Grundtvig-Studier, [S. l.], v. 41, n. 1, p. 7–8, 1989. DOI: 10.7146/grs.v41i1.16014. Disponível em: https://tidsskrift.dk/grs/article/view/16014. Acesso em: 6 dec. 2025.