SIERMAN, B. H. Schillings, Toneel en theater in Limburg in de 19e en 20e eeuw. BMGN - Low Countries Historical Review, [S. l.], v. 93, n. 3, p. 520–521, 1978. DOI: 10.18352/bmgn-lchr.2062. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102234. Acesso em: 26 jan. 2022.