HELLINGA, W. In memoriam Dr. M.E. Kronenberg. BMGN - Low Countries Historical Review, [S. l.], v. 86, n. 1, p. 152–153, 1971. DOI: 10.18352/bmgn-lchr.1655. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107757. Acesso em: 7 feb. 2023.