BOER, D.E.H. de. R. van Schaik, Belasting, bevolking en bezit in Gelre en Zutphen (1350-1550). BMGN - Low Countries Historical Review, [S. l.], v. 108, n. 1, p. 65–68, 1993. DOI: 10.18352/bmgn-lchr.3616. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104147.. Acesso em: 20 oct. 2024.