J. Perry, Roomsche kinine tegen roode koorts. Arbeidersbeweging en katholieke kerk in Maastricht 1880-1920. BMGN - Low Countries Historical Review, [S. l.], v. 100, n. 3, p. 489–490, 1985. DOI: 10.18352/bmgn-lchr.2641. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102866.. Acesso em: 22 dec. 2024.