COUPERUS, S. Christianne Smit, De volksverheffers. Sociaal hervormers in Nederland en de wereld, 1870-1914. BMGN - Low Countries Historical Review, [S. l.], v. 132, 2017. DOI: 10.18352/bmgn-lchr.10316. Disponível em: https://bmgn-lchr.nl/article/view/6561. Acesso em: 7 may. 2024.