Langhoff, Matthias, and Nicolas Royer. “April 23 Letter from Matthias Langhoff to Nicolas Royer, Director of Espace Des Arts, Scène Nationale, Chalon-Sur-Saône”. Sala Preta 20, no. 1 (August 13, 2020): 55–68. Accessed June 9, 2026. https://revistas.usp.br/salapreta/article/view/171539.