LANGHOFF, Matthias; ROYER, Nicolas. April 23 letter from Matthias Langhoff to Nicolas Royer, director of Espace des Arts, Scène nationale, Chalon-sur-Saône. Sala Preta, São Paulo, Brasil, v. 20, n. 1, p. 55–68, 2020. DOI: 10.11606/issn.2238-3867.v20i1p55-68. Disponível em: https://revistas.usp.br/salapreta/article/view/171539. Acesso em: 17 feb. 2026.