De economische en fiscale politiek van de graven van Holland in de dertiende eeuw. BMGN - Low Countries Historical Review, [S. l.], v. 108, n. 1, p. 3–12, 1993. DOI: 10.18352/bmgn-lchr.3603. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104134.. Acesso em: 16 nov. 2024.