BORNEBROEK, Arno. Cor Groenewold, Christelijk en sociaal. Biografie van J.R. Slotemaker de Bruïne. TSEG - The Low Countries Journal of Social and Economic History, [S. l.], v. 5, n. 4, p. 173–175, 2008. DOI: 10.18352/tseg.551. Disponível em: https://testplatform.openjournals.nl/tseg/article/view/7821. Acesso em: 11 apr. 2026.