KOSSMANN-PUTTO, J. R. Wartena, De stadsrekeningen van Zutphen 1364-1445/6. BMGN - Low Countries Historical Review, [S. l.], v. 93, n. 1, p. 131–132, 1978. DOI: 10.18352/bmgn-lchr.2023. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102194. Acesso em: 20 apr. 2024.