KOSSMANN-PUTTO, J. H.R. van Ommeren, De koopmansgilderol van Deventer 1249-1387. BMGN - Low Countries Historical Review, [S. l.], v. 95, n. 3, p. 538–539, 1980. DOI: 10.18352/bmgn-lchr.2186. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102362. Acesso em: 28 mar. 2024.