WINTER, P. van. In memoriam Dr. C.W. Roldanus 1889-1972. BMGN - Low Countries Historical Review, [S. l.], v. 87, n. 2, p. 250–251, 1972. DOI: 10.18352/bmgn-lchr.1720. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107754. Acesso em: 27 apr. 2024.