DYBDAHL, V. Alexander Scharff: Schleswig. Völkerbrücke und Grenzland. 47 s. (Ferdinand Hirt, Kiel, 1953). Historie/Jyske Samlinger, [S. l.], v. 2, 1954. Disponível em: https://tidsskrift.dk/historiejyskesamling/article/view/37164. Acesso em: 5 maj. 2024.