BLOM, J.C.H. Grijs verleden?. BMGN - Low Countries Historical Review, [S. l.], v. 116, n. 4, p. 483–489, 2001. DOI: 10.18352/bmgn-lchr.5557. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106378.. Acesso em: 19 jul. 2024.