WIORA, Walter. Das Alter des Begriffes Volkslied . Die Musikforschung, [S. l.], v. 23, n. 4, p. 420–428, 1970. DOI: 10.52412/mf.1970.H4.2139. Disponível em: https://mf.journals.qucosa.de/mf/article/view/2139. Acesso em: 14 mai. 2025.