WEHNER, Ralf. Felix Mendelssohn Bartholdy: Die erste Walpurgisnacht. Ballade von Goethe für Chor und Orchester op. 60. A Full-Color Facsimile of the Autograph Piano-Vocal Score Held in the Museum of Educational Heritage at Tamagawa University. Die Musikforschung, [S. l.], v. 59, n. 2, p. 199–201, 2006. DOI: 10.52412/mf.2006.H2.4763. Disponível em: https://mf.journals.qucosa.de/mf/article/view/4763. Acesso em: 19 apr. 2025.