I. Kuypers, In de schaduw van de Grote Oorlog. De Nederlandse arbeidersbeweging en de overheid, 1914-1920. BMGN - Low Countries Historical Review, [S. l.], v. 119, n. 2, p. 287–289, 2004. DOI: 10.18352/bmgn-lchr.6071. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106961.. Acesso em: 17 jul. 2024.