LÜCKER, A. Reinhard Keisers Orpheus-Opern – Anmerkungen zu den Libretti. European Journal of Musicology, [S. l.], v. 7, 2004. DOI: 10.5450/ejm.2004.7.6180. Disponível em: https://bop.unibe.ch/EJM/article/view/6180. Acesso em: 20 apr. 2024.