In memoriam Prof.Dr. B.H.M. Vlekke 1899-1970. BMGN - Low Countries Historical Review, [S. l.], v. 85, n. 3, p. 364–365, 1970. DOI: 10.18352/bmgn-lchr.1632. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107834.. Acesso em: 18 jul. 2024.