POSTMA, F. F.H.M. Grapperhaus, Alva en de tiende penning. BMGN - Low Countries Historical Review, [S. l.], v. 100, n. 1, p. 106–107, 1985. DOI: 10.18352/bmgn-lchr.2557. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102776. Acesso em: 20 apr. 2024.