VAN GESSEL, Jeroen. A Case Study in Daily Operatic Practice Around 1900 in a Prologue, Six Vignettes and an Epilogue, or: Pfitzner Produces Parsifal. European Journal of Musicology, Bern, v. 12, 2009. DOI: 10.5450/ejm.2009.12.6205. Disponível em: https://bop.unibe.ch/EJM/article/view/6205. Acesso em: 7 apr. 2025.