HOFFMANN-ERBRECHT, Lothar. Helmuth Osthoff (1896-1983) . Die Musikforschung, [S. l.], v. 36, n. 2, p. 66–68, 2021. Disponível em: https://mf.journals.qucosa.de/mf/article/view/1553. Acesso em: 26 nov. 2024.